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Editorial Manual
Spelling
The online Oxford Dictionary ) (set to British English) is the current authority for spelling in the United Nations. If more than one spelling is given in the dictionary, use the form listed first unless otherwise indicated below. The Concise Oxford English Dictionary, twelfth edition, is an acceptable alternative.
The United Nations spelling list is designed to serve as a quick reference for common words and compounds for which there may be more than one possible spelling. Words commonly used in United Nations documents are also included in the list for ease of reference. For further guidance, see also Abbreviations and acronyms and Capitalization in English.
Foreign words listed in the online Oxford Dictionary or included in the list below are not italicized in United Nations documents. Foreign words that are not listed in that edition or included in the list, however, are italicized.
Non-English names of organizations, firms, ministries and the like are not italicized.
Fractions expressed in words are not hyphenated (e.g. one third of the total) unless they are used as adjectives (e.g. one-third share).
The abbreviation “adj.” is used to indicate compound adjectives that are hyphenated when they precede a noun (e.g. She had a fixed-term contract). Otherwise they are normally not hyphenated (e.g. The contract was for a fixed term).
Compound adjectives in which the first word ends in –ly are not hyphenated (e.g. environmentally sustainable growth).
Notes:
* Indicates a change from previous practice.
** Indicates an exception to the online Oxford Dictionary.
*** Indicates both a change from previous practice and an exception to the online Oxford Dictionary.
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A
| above-mentioned abridgement acknowledgement addenda ad hoc ad infinitum ad litem adviser aeroplane aesthetic aforementioned Afrodescendant (noun) (preferred: person of African descent) Afrodescendent (adj.) (preferred: of African descent) after: compound forms are closed except: after-effect after-image after-service age-appropriate (adj.) ageing ageism age-selective (adj.) age-specific (adj.) agribusiness **agrifood agriscience agritourism agroecological agroecosystem agroforestry agro-industry agropastoral agroprocessing agroterrorism aides-memoires AIDS (acquired immunodeficiency syndrome) airbag air conditioner, air conditioning (noun) air-conditioned, air-conditioning (adj.) aircraft (singular and plural) aircrew airdrop airfare airfield airfreight airlift |
air raid airspace air strike air traffic control AK-47 allot, allotted, allotment **Al-Qaida aluminium amid (not “amidst”) among (not “amongst”) anaemia anaesthetic analogue (but analog in computer technology) analyse antenatal antennae (insects) antennas (aerials) anti-abortion anti-aircraft antifertility anti-inflammatory antimalarial antimicrobial anti-money-laundering (adj.; not to be used as a noun) anti-poverty **antisemitism apartheid a posteriori appal, appalled, appalling appendices a priori armoury artefact Assistant Secretary-General (plural: Assistant Secretaries-General) ***asylum-seeker asylum-seeking (adj.) 补迟迟补肠丑é attorney general audiobook *audiovisual auditor general avant-garde awareness-raising (noun and adj.) ayatollah |
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B
| *Baath Party, Baathist baby boom (noun) **baby-boom (adj.) back-calculation procedure backstop (verb and noun) back up (verb) backup (noun and adj.) backward (adj.) backwards (adv.) balance of payments (noun) balance-of-payments (adj.) balance sheet bandwidth baseline base-year (adj.) bednet Bedouin (singular and plural) beforehand behaviour behove benefited, benefiting benefit-sharing bi: compound forms are closed (see also "Ambiguous terms" under Numbers, dates and time): biannual (twice a year) biennial (every second year) **bienniums bimonthly (every two months) biweekly (every two weeks) biased bio: compound forms are closed birth control birth rate bis bitcoin |
BlackBerry blacklist (verb and noun) blockchain blood-borne blood-brain barrier bond market bookkeeping bottleneck brain drain break away (verb) breakaway (noun and adj.) break down (verb) breakdown (noun) breakthrough break up (verb) break-up (noun) breastfeed bride price bride wealth Brigadier General broad band, broad banding (verb and noun, in ICSC documents) broad-banded, broad-banding (adj., in ICSC documents) broadband (telecommunications) build up (verb) build-up (noun) bureaux burka burned (not “burnt”) **businessperson buy-back (noun) buy-in (noun) by-catch by-law by-product bystander |
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C
| calibre cancelled, cancelling canvas (cloth) canvass (to solicit) capacity-building (noun and adj.) capacity development (noun) capacity-development (adj.) capital (city, money) Capitol (building) caregiver care provider caretaker CarLog carry over (verb) carry-over (noun) carte blanche carve out (verb) carveout (noun) case-by-case (adj.) **case-fatality rate case law caseload case study cash flow (noun) **cash-flow (adj.) catalogue catalyse cathode ray tube CD-ROM ceasefire (noun and adj.) cellmate cell phone cellular phone centre, centred, centring centrepiece chador Chair-designate changeover (noun) channelled, channelling chapeau *chargeback chargé d'affaires (singular invariable; plural: chargés d’affaires) chat room checklist checkpoint check-up (noun) chef de cabinet (plural: chefs de cabinet) cheque (bank) chequebook childbearing childbirth childcare child-rearing child-sensitive child spacing chlorofluorocarbons citywide classroom clearing house (n); clearing-house (adj.) closed-end (adj.) co-chair (see also entry under Capitalization) coequal coexist cofactor cogeneration cohort-component projections cold war co-locate colloquiums colour combatant combated, combating **Commissioner-General common law (noun) common-law (adj.) 肠辞尘尘耻苍颈辩耻é comorbidity compel, compelled compendiums confidence-building (noun and adj.) |
connection consensus consensus-building **consortiums constitution-making contingent-owned equipment contraceptive-calendar method convener cookstove cooperate, cooperation coordinate, coordination co-payment copy-edit copy editor cornerstone corrigenda cost accounting cost-effective cost-efficient cost-of-living index cost recovery (noun) cost-recovery (adj.) cost-sharing councillor counsel (verb and noun, singular and plural) counselling, counsellor counteract *counterargument counter-attack counterbalance countercharge counterclaim counterclockwise counterculture countercyclical counterdemonstration counter-espionage counter-example counter-guarantee counter-insurgency counter-intelligence counter-intuitive countermeasure **counter-narcotics counteroffensive counterpoint counterproductive counterproliferation counterproposal counter-revolution counterspace **counter-terrorism countertrade counter-urbanization countryside countrywide coup d'état (plural: coups d'état) couple-years co-worker credentialled, credentialling creditworthiness cropland cross-country cross-cutting cross-reference (verb) cross reference (noun) cross section cross-sectoral cross-tabulation crowdsource, crowdsourced, crowdsourcing crowdwork, crowdworker, crowdworking crypto: compound forms are closed curricula curriculum vitae (plural: curricula vitae) cut back (verb) cutback (noun) cut off (verb) cut-off (noun and adj.) cyber: compound forms are closed |
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D
|
**顿补’别蝉丑 |
digitalize (adapt a system or a process) digitize (convert material into a digital format) diktat *Director General (plural: Directors General) (but Director-General of the United Nations Offices at Geneva, Vienna and Nairobi) disc (but disk in computer technology) discreet (prudent) discrete (separate) dispatch donor dependence donor-dependent (adj.) donor-funded (adj.) dot-com dot-org doubling time down payment downstream downward (adj. and adv.) draft (text) draught (air and animal) draw down (verb) drawdown (noun) drift net (noun) drift-net (adj.) drinking water drop out (verb) dropout (noun and adj.) drug dealer drug dealing drug-taking drug trafficking drug user drug-using (adj.) dry land (land as opposed to sea) dryland(s) (type of ecosystem) **dunum duty bearer dwelling unit dysfunctional |
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E
| e-: compound forms are hyphenated, except: and where the second element begins with a capital letter: eDoc eLUNa eMeets ePAS eRef early-initiation (adj.) early warning system earmark east(ern) (a geographical direction or an area within a country) East(ern) (a major region, e.g. East Africa, Eastern Europe) east-north-east, east-south-east eastward eco-friendly eco-label, eco-labelling ecosystem ecotourism eco-warrior ecozone Eid al-Adha Eid al-Fitr embargoes é尘颈驳谤é emir encyclopedia endeavour endogenization end product end result |
*end user (noun) end-user (adj.) energy-efficient enquire, enquiry (referring to a request for information) (cf. inquire) enrol, enrolled, enrolling, enrolment en route enterprise resource planning (not hyphenated) equalled, equalling equipped, equipping euro, euros Eurobond *eurozone ever-married (adj.) everyday (adj.) every day (adv.) exaggerate Excel ex gratia ex officio exorbitant expel, expelled, expelling export-processing zone 别虫辫辞蝉é ex post facto extrabudgetary ***extracurricular extrajudicial extralegal extramarital extranet extraregional extraterritorial *extrauterine eyewitness |
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F
| fact-finding fact sheet fait accompli fall-off (noun) fall out (verb) fallout (noun) family-life (adj.) family planning (noun and adj.) farmland far-reaching favour feedback *fetus, fetal fibreglass fibre-optic (adj.) fibre optics (noun) field trip fieldwork, fieldworker fine-tune firearm firebomb fire-control (adj.) fire engine firefight firefighter firefighting firehouse first-hand (adj. and adv.) fixed-period (adj.) fixed-wing (adj.) flak flash flood flavour flexitime (generic) Flextime (attendance system) |
flow chart flowsheet focused, focuses, focusing follow through (verb) follow-through (noun) follow up (verb) follow-up (noun and adj.) foodgrain food-insecure foodstuff footnote force majeure forcible foregoing (preceding) forest lands forever foreword (to a book) forgo (go without) formulas forums forward (verb, adj. and adv.) freedom fighter freelance, freelancer free trade (noun and adj.) *fresh water (noun) freshwater (adj.) front line (noun) front-line (adj.) fuelled, fuelling fuelwood fulfil, fulfilled, fulfilling, fulfilment full-time fundraiser *fundraising |
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G
| gauge gData gDoc gender-diverse gender-neutral gender-responsive gender-specific geo: compound forms are closed girl child globalization globalize gMeets good-neighbourly (adj.) goodwill gonorrhoea |
gram grant-in-aid (plural: grants-in-aid) grassland(s) grass roots (noun) grass-roots (adj.) grey grounds pass groundwater groundwork gText guerrilla guidelines gunfire gynaecology |
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H
| haemoglobin haemorrhage hajj (note: “hajj pilgrimage” is redundant) halfway hand grenade handheld Haram al-Sharif harbour hard-walled (adj.) hardwired hashtag hawala headwater *healthcare (noun and adj.) help desk helpline heretofore herpesvirus high-mortality-risk (adj.) HIV (human immunodeficiency virus) HIV-positive **Hizbullah |
home care (noun) home-care (adj.) home-made homeowner homeownership home page homeschool homogeneous honorariums honorary honour hostage-taking hot-desking hotelling hotspot human resources (not hyphenated) Humvee hydroelectric hydro-interaction hydropower hydrosystem hygiene hyper: compound forms are closed |
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I
|
Ibero-American |
interdisciplinary interdivisional inter-ethnic interfaith interfamily intergenerational intergovernmental *intergroup inter-industry inter-institutional interlink, interlinkage *interministerial inter-mission (between missions) intermission (between acts) **Internet inter-office inter-organizational interparliamentary interprovincial interracial interregional interrelate interreligious intersectoral intersession (noun), intersessional interspace inter-State (between countries) interstate (between states) inter-unit intifada in toto intra: compound forms are closed except: intra-African intra-agency intra-industry intra-mission intra-State (within a country) intra-urban in vitro inward (adj.) inwards (adv.) ipso facto iSeek IV drug user |
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J
| jail jihad, jihadi Judaize |
***judgment (see also Capitalization in English) ***judgmental jump-start |
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K
| keffiyeh kick-start kilogram (kg) kilometre (km) kilovolt-ampere (kVA) |
kilowatt (kW) kilowatt-hour (kWh) *kin group know-how knowledge-sharing |
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L
| labelled, labelling laborious labour labour-force (adj.) labour-market (adj.) laissez-faire laissez-passer (singular and plural) land-grabbing landholder landline landlocked landmine landowner land use (noun) land-use (adj.) laserdisc lawmaker *lawmaking lay off (verb) layoff (noun) lead time lead-up (noun) learned (not “learnt”) least developed countries **濒è蝉别-尘补箩别蝉迟é letter of assist leukaemia levelled, levelling |
liaison |
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M
| machine gun machine-readable macro: compound forms are closed except: macro level (noun), macro-level (adj.) (note: "macro" in this case is a stand-alone word, not a prefix) macro-unit mainframe mainland Major General mandate holder man-hour (preferred: person-hour) man-made (preferred: human-caused, human-made) manoeuvre man-portable air defence system (not MANPADS) 惭ā辞谤颈 marketplace market town mark up (verb) markup (noun) marriage timing (noun) marriage-timing (adj.) marshal marshalled, marshalling master plan materiel matrices meagre meantime meanwhile medium-sized (adj.) medium-variant (adj.) meeting place *megacity megajoule (MJ) megavolt (MV) megavolt-ampere (MVA) member-days memorandums **Mesoamerica **Messrs. (in English) meter (instrument) metre (unit of length) micro: compound forms are closed except: micro-business micro-entrepreneur micro-environment micro-event micro level (noun), micro-level (adj.) (note: "micro" in this case is a stand-alone word, not a prefix) mid-1990s mid-air midday middleman (preferred: intermediary) midlife (noun and adj.) mid-ocean, mid-oceanic midpoint **mid-range *midseason *midsize midsummer midterm midway midweek midwife midwinter **midyear mileage milieux millenniums mindset mine clearance (noun) mine-clearance (adj.) minefield |
minimize misspelled (not “misspelt”) misstep *Mmes. (in English) modelled, modelling modus operandi **money-laundering (noun and adj.) moneylender, moneylending money market (noun and adj.) moneys moratoriums mores mould movable **Mr. **Mrs. **Ms. Muhammad (the Prophet) mujahid (plural: ***mujahidin) multi-access multi-bilateral multibillion multi-cause multicellular **multi-centred multichannel multi-client multicoloured multi-country multicultural multidimensional multidisciplinary **multi-donor multi-ethnic **multi-faith multifocal multifunctional multigenerational multigrade multigrain multigravida multi-hazard multi-jurisdictional multilateral multilayer multilevel multilingual multimedia multimillion multinational multipara multipartite multi-partner multiparty multiphase multiplatform multiple-choice (adj.) multipolar multiprocessor *multipurpose multiracial multisectoral **multi-skilled multi-stakeholder *multistorey multitalented multitask, multitasker, multitasking multitrack multi-user multi-utility multivendor multi-year Muslim mutatis mutandis |
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N
|
nation State |
non-: compound forms are hyphenated except: nonconforming, nonconformist nondescript nonfeasance nonetheless non sequitur no one north(ern), north-east(ern), north-west(ern) (a geographical direction or an area within a country) North(ern) (a continent or major region, e.g. North America, North Africa, Northern Europe) northward note verbale (plural: notes verbales) novies or noviens nursing home (noun) |
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O
| octies or octiens odour oedema oesophagus offence offensive off-gas offhand off-hours (noun) office holder off-label (adj.) off-limits (adj.) offline offload off-message (adj.) off-peak off-ramp (noun) off-road off season (noun) off-season (adj. and adv.) offset offshore off-site (adj.) offspring (singular and plural) oilfield oil well old age (noun) old-age (adj.) old-growth (adj.) |
omega-3 fatty acid on-board (adj.) (on a ship or aircraft) onboarding (in human resources) ongoing online on-message (adj.) on-screen onshore on-site (adj.) onward (adj. and adv.) op-ed (noun and adj.) ordinance (law) ordnance (munitions) organization organization chart (not “organigram(me)” or “organizational chart”) organize outmigration out-of-court (adj) out-of-date (adj.) outpatient outsource out-take (noun) over: compound forms are closed except: over-elaborate over-exercise over-optimistic over-refine *overabundant **overrepresent |
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P
| paediatric paedophile panellist paper-smart (adj.) paralyse paramedical paramilitary part-time passer-by (plural: passers-by) payback (noun) payday payroll peacebuilder, peacebuilding peacekeeper, peacekeeping peacekeeping-intelligence (noun and adj.) peacemaker, peacemaking peacetime *penholder per annum per capita per cent per diem perinatal peri-urban per se person-day, person-hour phyto: combinations are closed place name plebiscite plough **P.O. Box policyholder policymaker, policymaking policy-setting polycrisis post-adolescent post-cold-war postdoctoral post-feminist postglacial postgraduate post-industrial post-marital postmillennial postmodern post-mortem *postnatal **post-neonatal postnuptial post-operative post-partum post-session post-war power plant power-sharing practice (noun) practise (verb) pre-adolescent pre-book **辫谤é肠颈蝉 précis-writer, précis-writing |
preconceive precondition pre-construction *predate predawn predeployment pre-eclampsia pre-embryo pre-eminent pre-empt pre-establish pre-exist pre-ignition pre-industrial pre-initiation countries pre-inspection pre-investment premarital *premodern prenatal pre-owned pre-package pre-plan pre-position pre-press pre-production pre-qualify pre-record *preregister pre-release preschool *prescreen pre-sell pre-session President-elect pretence *pretrial (but Pre-Trial Chamber of the International Criminal Court) pre-war prima facie principal (first in rank) (noun and adj.) principle (fundamental truth) (noun) printout private sector (not hyphenated) privatization privatize procès-verbal (plural: procès-verbaux) pro-choice procyclical program (computing only) (noun and verb) programme (noun and verb) pronatalism, pronatalist proofread, proofreader pro rata prorate pro tempore psycho: compound forms are closed public sector (not hyphenated) |
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Q
| **qadi quater quinquies or quinquiens |
***Qur'an **Qur'anic |
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R
| radioactive radioisotope rain-fed rainforest rainwater raison d'être range area rangeland(s) rapprochement rateable ratepayer re-: combinations are closed except: re-advertise re-edit re-educate re-elect re-emerge re-emphasize re-employ re-enact re-enforce re-enfranchise re-engage re-engineer re-enrol re-enter re-equip re-erect re-establish re-evaluate re-examine re-export read-only memory **readout (noun) record-breaking (adj.) referendums reflection refoulement |
regime |
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S
| safe-period method salary earner saleable salt water (noun) saltwater (adj.) satphone savings bank sceptic, sceptical, scepticism school-age (adj.) schoolbook schoolchild *school day schooldays schoolroom schoolteacher schoolwork seabed *seafloor sea level (not hyphenated) seaport seawater **Secretary-General (plural: Secretaries-General) sectoral security sector (not hyphenated) self-: compound forms are hyphenated sell off (verb) sell-off (noun) semi-annual (twice a year) semi-automatic semi-autonomous semicircle semicolon semiconductor semi-conscious semi-cylinder semi-darkness semi-detached semi-final semi-finished semi-independent semi-invalid semi-literate semi-monthly (twice a month) (see also "Ambiguous terms" under Numbers, dates and time) semi-official semi-permanent semi-precious semi-professional semi-retired semi-rigid semi-skilled semi-solid semi-trailer semi-weekly (twice a week) (see also "Ambiguous terms" under Numbers, dates and time) septicaemia septies or septiens seroprevalence serostatus set back (verb) setback (noun) set up (verb) set-up (noun) sewage (waste matter) sewerage (system of drains) sexies or sexiens sex-selective (adj.) shake up (verb) shake-up (noun) shanty town sharia sheikh shellfire Shia Shiite shopkeeper shortcoming shortfall shortlist short-lived side effect sine qua non single window (noun) single-window (adjective) sizeable size class skilful skill set slow down (verb) slowdown (noun) *slum dweller small-satellite (adj.) smartphone sociobiology sociocultural **sociodemographic ***socioeconomic *sociomedical sociopolitical soft-walled (adj.) solicitor general (plural: solicitors general) sombre south(ern), south-east(ern), south-west(ern) (a geographical direction or an area within a country) |
South(ern), South-East(ern), South-West(ern) (a continent or major region, e.g. South America, Southern Africa, Southern Europe, South-East Asia; exception: Association of Southeast Asian Nations) South-South cooperation southward spatial-profile model specialize speed-dial (verb) speed dial (noun) spelled (not “spelt”) spillover (noun and adj.) stabilization stabilize staff-day, staff-hour staff member stakeholder stalemate standby (noun and adj.) stand-alone (adj.) stand in (verb) stand-in (noun) State-building stationary (not moving) stationery (paper) status-conscious status-of-forces agreement status quo steady-state (adj.) step: compound forms are closed except: step-parent stillbirth stillborn (adj.) stockbreeder stockbroker stockholder stock market stockpile stocktaking storefront storekeeper storey (of a building) straightforward **strikebreaker strike-slip fault strip-search strived (not "strove" or "striven") *sub: compound forms are closed except: sub-account sub-amendment sub-aquatic sub-area sub-assembly sub-block sub-body sub-bottom sub-branch sub-bureau sub-centre sub-clan sub-discipline sub-element sub-goal sub-issue sub-item sub-lessee sub-lessor **sub-let sub-office sub-prefect sub-prefecture sub-prime sub-Saharan sub-seafloor sub-theme sub-working group sub-zero subject matter (not hyphenated) subprogram (computing only) subprogramme *subunit succour **sulfur (and related words) summarize Sunna (traditional Muslim law) Sunni (adj. and noun, singular and plural) Sunnite **super-Power supersede superstructure supervisor surface water (noun) surface-water (adj.) suspense account syllabuses symposiums system-wide |
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T
|
takeover (noun) |
traffics, trafficked, trafficking *training ground tranquillity tranquillizer transalpine transatlantic transboundary transcontinental **trans-fat, trans-fatty acid transferable, transference transferred, transferring transgender transglobal transmigrant trans-Pacific transracial transsexual trans-ship, trans-shipment travelled, travelling tripwire troop contributor troop-contributing truth-seeking (noun and adj.) T-shirt tsunamis tunnelled, tunnelling turn around (verb) turnaround (noun) turning point turnkey (adj.) turn off (verb) turn-off (noun) turn out (verb) turnout (noun) turn over (verb) turnover (noun) two-faced twofold typeset, typesetting, typesetter tyre |
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U
| **ulama ultra: compound forms are closed except: ultra-high frequency (noun) ultra-high-frequency (adj.) **under: compound forms are closed except when modifying a hyphenated compound undersecretary **Under-Secretary-General (plural: Under-Secretaries-General) under way uni: compound forms are closed unmistakable update upgrade upper-case (adj.) |
uproot up-to-date (adj.) upward (adj. and adv.) *urban dweller urban-rural (demographic movement) urban/rural (comparison) usability usable use-by date use-effectiveness user-friendly username utilize U-turn Uzi |
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V
| vacuum aspiration method vacuum-pack (verb) vacuum-packed (adj.) value added (noun and adj.) value system vapour vari: compound forms are closed V-chip venepuncture versus vice (tool) **Vice-Chair **Vice-President Vice-President-elect vice versa video camera videoconference videodisc video game |
videographics videography video link video map video on demand videophone video pirate video recorder video recording viewfinder viewpoint vigorous vigour 惫颈蝉-à-惫颈蝉 vitamin A voicemail voice-over (noun and adj.) voiceprint |
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W
| wage earner wage-earning wagon Wahhabi walkie-talkie walk in (verb) walk-in (adj.) walkout (noun) walk-through (noun) wallboard wallchart Walloon waqf war chest war crime war criminal war cry war game warhead warlike warlord warmonger warpath warplane warship wartime war-torn (adj.) washout (noun) washtub **wastewater Washington, D.C. watch list (noun and adj.) watchtower waterbird water birth waterboard, waterboarding waterborne water cannon watercourse watercraft waterfowl waterfront waterhole water level waterline waterlogged water main watermark watermill water power waterproof water-repellant (adj.) water-resistant (adj.) watershed water supply water table watertight water torture water tower waterway waterworks watt-hour wattmeter wavelength weather-beaten weatherproof webcam webcast web hosting webinar webisode weblink weblog webmail web map webmaster web page web ring website webspace weekday weekend well: compound adjectives are hyphenated only when preceding a noun (e.g. a well-designed project; the project is well designed) well-being well-to-do well water (noun) well-wisher west(ern) (a geographical direction or an area within a country) |
West(ern) (a major region, e.g. West Africa, Western Europe) west-north-west, west-south-west westward wetland(s) wet lease wheelchair while (not “whilst”) whistle-blower, whistle-blowing whiteboard white list (noun) *whitelist (verb) whitewash wholegrain wholehearted wholewheat wide area network wideband **widebody Wi-Fi wild card wildcat wildfire wildfowl wilful windblown windborne windbreak windburn wind chill windfall windowpane windowsill windproof windscreen windshield windstorm windswept winegrower winemaker wingspan wingspread win-win (adj.) wiretap, wiretapping, wiretapper witchcraft witch-hunt withhold woman-month, woman-year woodblock woodchip woodpile woodshed woodsmoke woodwork woodyard word-processing word processor work around (verb) workaround (noun) workday workflow workforce **work-hour workload workload-sharing work out (verb) workout (noun) work permit workplace **workplan workroom worksheet workshop worksite workspace workstation workstream workweek worldwide would-be (adj.) write down (verb) write-down (noun) write in (verb) write-in (noun) write off (verb) write-off (noun) write-protect, write-protected write up (verb) write-up (noun) wrongdoing |
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X
| X chromosome xeno: compound forms are closed X factor X-ray |
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Y
| yarmulke Y chromosome *year-on-year year-round (adj.) YouTube |
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Z
| zero gravity zeros zero-sum (adj.) **zero-tolerance (adj.) zigzag zoogeography zookeeper zoonosis zooplankton Z particle |