a, an indefinite articleabandon v.abandoned adj.ability n.able adj.unable adj.about adv., prep.above prep., adv.abroad adv.absence n.absent adj.absolute adj.absolutely adv.absorb v.abuse n., v.academic adj.accent n.accept v.acceptable adj.unacceptable adj.access n.accident n.by accidentaccidental adj.accidentally adv.accommodation n.accompany v.according to prep.account n., v.accurate adj.accurately adv.accuse v.achieve v.achievement n.acid n.acknowledge v.acquire v.across adv., prep.act n., v.action n.take actionactive adj.actively adv.activity n.actor, actress n.actual adj.actually adv.ad advertisementadapt v.add v.addition n.in addition (to)additional adj.address n., v.adequate adj.adequately adv.adjust v.admiration n.admire v.admit v.adopt v.adult n., adj.advance n., v.advanced adj.in advanceadvantage n.take advantage ofadventure n.advertise v.advertising n.advertisement (also ad, advert) n.advice n.advise v.affair n.affect v.affection n.afford v.afraid adj.after prep., conj., adv.afternoon n.afterwards (especially BrE; NAmE usually afterward) adv.again adv.against prep.age n.aged adj.agency n.agent n.aggressive adj.ago adv.agree v.agreement n.ahead adv.aid n., v.aim n., v.air n.aircraft n.airport n.alarm n., v.alarming adj.alarmed adj.alcohol n.alcoholic adj., n.alive adj.all det., pron., adv.allow v.all right adj., adv., exclamationally n., v.allied adj.almost adv.alone adj., adv.along prep., adv.alongside prep., adv.aloud adv.alphabet n.alphabetical adj.alphabetically adv.already adv.also adv.alter v.alternative n., adj.alternatively adv.although conj.altogether adv.always adv.a.m. (NAmE also A.M.) abbr.amaze v.amazing adj.amazed adj.ambition n.ambulance n.among (also amongst) prep.amount n., v.amuse v.amusing adj.amused adj.an a, ananalyse (BrE) (NAmE analyze) v.analysis n.ancient adj.and conj.anger n.angle n.angry adj.angrily adv.animal n.ankle n.anniversary n.announce v.annoy v.annoying adj.annoyed adj.annual adj.annually adv.another det., pron.answer n., v.anti- prefixanticipate v.anxiety n.anxious adj.anxiously adv.any det., pron., adv.anyone (also anybody) pron.anything pron.anyway adv.anywhere adv.apart adv.apart from (also aside from especially in NAmE) prep.apartment n. (especially NAmE)apologize (BrE also -ise) v.apparent adj.apparently adv.appeal n., v.appear v.appearance n.apple n.application n.apply v.appoint v.appointment n.appreciate v.approach v., n.appropriate adj.approval n.approve (of) v.approving adj.approximate adj.approximately adv.April n. (abbr. Apr.)area n.argue v.argument n.arise v.arm n., v.arms n.armed adj.army n.around adv., prep.arrange v.arrangement n.arrest v., n.arrival n.arrive v.arrow n.art n.article n.artificial adj.artificially adv.artist n.artistic adj.as prep., adv., conj.ashamed adj.aside adv.aside from apart fromask v.asleep adj.fall asleepaspect n.assist v.assistance n.assistant n., adj.associate v.associated withassociation n.assume v.assure v.at prep.atmosphere n.atom n.attach v.attached adj.attack n., v.attempt n., v.attempted adj.attend v.attention n.pay attentionattitude n.attorney n. (especially NAmE)attract v.attraction n.attractive adj.audience n.August n. (abbr. Aug.)aunt n.author n.authority n.automatic adj.automatically adv.autumn n. (especially BrE)available adj.average adj., n.avoid v.awake adj.award n., v.aware adj.away adv.awful adj.awfully adv.awkward adj.awkwardly adv.baby n.back n., adj., adv., v.background n.backwards (also backward especially in NAmE) adv.backward adj.bacteria n.bad adj.go badbadly adv.bad-tempered adj.bag n.baggage n. (especially NAmE)bake v.balance n., v.ball n.ban v., n.band n.bandage n., v.bank n.bar n.bargain n.barrier n.base n., v.based onbasic adj.basically adv.basis n.bath n.bathroom n.battery n.battle n.bay n.be v., auxiliary v.beach n.beak n.bear v.beard n.beat n., v.beautiful adj.beautifully adv.beauty n.because conj.because of prep.become v.bed n.bedroom n.beef n.beer n.before prep., conj., adv.begin v.beginning n.behalf n.: on behalf of sb, on sbs behalf (BrE) (NAmE in behalf of sb, in sbs behalf)behave v.behaviour (BrE) (NAmE behavior) n.behind prep., adv.belief n.believe v.bell n.belong v.below prep., adv.belt n.bend v., n.bent adj.beneath prep., adv.benefit n., v.beside prep.bet v., n.betting n.better, best good, wellbetween prep., adv.beyond prep., adv.bi