Collins English Dictionary: English Words Starting With “A”
- a ... a fine kettle of fish
- a flea in one's ear ... a pox on someone
- a pressurized environment ... A-side
- α-tolyl ... Aaron
- Aaron's beard ... abashment
- abasia ... Abd-el-Krim
- abdabs ... Aberdeen terrier
- Aberdeenshire ... ability
- Abingdon ... abled
- ablegate ... abolitionism
- abolitionist ... abound
- about ... abreast of
- abri ... absence of mind
- absent ... absoluteness
- absolution ... absterge
- abstergent ... Abukir Bay
- abulia ... academia
- academic ... acarid
- acaridan ... acceleratingly
- acceleration ... access course
- access land ... accidental death
- accidental injury ... accommodation party
- accommodation platform ... account book
- account day ... accretionary wedge
- accretive ... accusatively
- accusatorial ... acetaldehyde
- acetamid ... ACGI
- ach ... achlamydeous
- achlorhydria ... acid-proof
- acidanthera ... acinus
- Acis ... aconitic
- aconitine ... acquiescent
- acquiescently ... acriflavine
- acriflavine hydrochloride ... acropetal
- acropetally ... Actaeon
- actant ... action at a distance
- action committee ... active-matrix
- actively ... aculeate
- aculeated ... ad val.
- ad valorem ... adaptively
- adaptiveness ... addition
- additional ... Adélie penguin
- ademption ... adherend
- adherent ... adjacency
- adjacent ... adjutant stork
- adjutants general ... admire
- admirer ... adonize
- adoors ... Adrenalin
- adrenalin rush ... adulation
- adulator ... advance poll
- advance ratio ... adverbial
- adverbialise ... advisedly
- advisedness ... ae.
- AEA ... Aeolian Islands
- aeolian tone ... aero-
- aero-optics ... aerography
- aerohydroplane ... aeroplane spin
- aeroplankton ... aestheticist
- aestheticize ... affaire d'honneur
- affaire de coeur ... affinal
- affine ... affordability
- affordable ... afocal
- afoot ... Afro-Asian
- Afro-Asiatic ... afterings
- afterlife ... against one's better judgment
- against the clock ... age difference
- age discrimination ... agentry
- agents provocateurs ... aggregate score
- aggregate supply ... agitation
- agitational ... -agnostic
- agnostic ... agr.
- Agra ... Agrigento
- agrimony ... Aguascalientes
- ague ... ahungry
- Ahura Mazda ... ailanthic
- ailanthus ... air chamber
- air chief marshal ... air pressure
- air pump ... air-lift pump
- air-minded ... aircrew
- airdate ... airpark
- airplane ... aisleless
- aisleway ... akimbo
- akin ... Ala Daǧ
- Ala Dagh ... alarm bells
- alarm call ... albert
- Albert Edward ... albuminize
- albuminoid ... Alcock
- alcohol ... aldern
- Alderney ... alembic
- alembicated ... Alexandrian
- Alexandrian senna ... algebraical
- algebraically ... alguacil
- alguazil ... alimentary canal
- alimentary tract ... alkaline
- alkaline earth ... all clear
- all ears ... all-American
- all-around ... Allahu Akbar
- Allan-a-Dale ... allelopathic
- allelopathy ... allicin
- allied ... allomerism
- allomerous ... allotypically
- allotypy ... Almada
- Almadén ... almuce
- almud ... alpenstock
- Alpes-de-Haute-Provence ... alphanumerically
- alphasort ... altazimuth mounting
- Altdorf ... Altesse
- alteza ... ALU
- aludel ... alveolus
- alvine ... amarelle
- amaretti ... Amazonia
- Amazonian ... ambiguities
- ambiguity ... ambsace
- ambulacra ... amelioratory
- ameloblast ... America
- America's Cup ... Americanization
- Americanize ... amidase
- amide ... amitosis
- amitotic ... ammunition depot
- ammunition dump ... amorally
- amorance ... ampelopsis
- amperage ... amphimictic
- amphimixes ... amplifiable
- amplification ... amuse-bouche
- amuseable ... Amytal
- -an ... anaclastic
- anaclinal ... Anaglypta
- anaglyptic ... analogise
- analogism ... anamorphic
- anamorphic lens ... anarchal
- anarchial ... anatomiser
- anatomist ... anchoveta
- anchovetta ... and so on
- and that ... androcentric
- androcentrism ... anecdotic
- anecdotical ... anesthetize
- anestrous ... angelic
- Angelic Doctor ... angle
- angle bar ... Anglo-
- Anglo-American ... angstrom unit
- angsty ... Aniakchak
- anicca ... animalise
- animalism ... anisometropic
- anisomorphic ... Annapolis Royal
- Annapurna ... announcement
- announcer ... anoa
- anobiid ... anonymize
- anonymized ... Anselm
- anserine ... antalkaline
- Antalya ... antenna
- antenna pattern ... anthersmut
- anthesis ... anthropogenic
- anthropogeny ... anti-abortionist
- anti-ageing ... anti-site
- anti-skid ... antiburglary
- antibuser ... anticke
- anticlassical ... antidefamation
- antidemocratic ... antiferromagnet
- antiferromagnetism ... antiheroic
- antiheroine ... antimacassar
- antimacho ... antimony potassium tartrate
- antimonyl ... antiparty
- antipasti ... antipope
- antipopular ... antirealism
- antirealist ... antisexual
- antisexuality ... antisyzygy
- antitakeover ... antivenin
- antivenom ... antrorsely
- antrum ... anythingarian
- anytime ... apagogical
- apagogically ... apéritif
- aperitive ... aphonic
- aphonous ... apitherapy
- apivorous ... apocryphal
- Apocryphal Gospels ... apologetically
- apologetics ... aporia
- aport ... apothegm
- apothegmatic ... appeal fund
- appealable ... appertainment
- appertinent ... apple tart
- apple turnover ... appointee
- appointer ... apprehensively
- apprehensiveness ... approval
- approval rating ... APS
- apsaras ... Aquae Sulis
- aquaerobics ... aquifer
- aquiferous ... arabis
- arabisation ... araliaceous
- Aram ... arbitrate
- arbitration ... arc furnace
- arc lamp ... archaeornis
- Archaeozoic ... archeologist
- archeology ... archipelago
- Archipenko ... arcmin
- arco ... ardent spirits
- ardently ... areolated
- areolation ... argillitic
- arginase ... argyll
- Argyll and Bute ... arioso
- Ariosto ... Arkansas
- Arkhangelsk ... Armenian
- Armenian Church ... armour-clad
- armour-piercing ... aroha
- aroid ... arraigner
- arraignment ... arrhythmic
- arriage ... arse-licking
- arsed ... Art Nouveau
- art paper ... arthro-
- arthrodesis ... artier
- artiest ... artlessly
- artlessness ... as
- as a matter of course ... (as) dead as a doornail
- AS-level ... Ascension Island
- ascensional ... ascosporic
- ascot ... Ashdown
- Ashe ... Asian
- Asian flu ... Aso
- asocial ... aspersorium
- aspersory ... asprout
- asquat ... assemblance
- assemble ... assessment method
- assessment procedure ... assimilatively
- assimilator ... association law
- Association of British Ports ... assumingly
- assumpsit ... asterid
- asteridian ... astounded
- astounding ... astrolabe
- astrolatry ... astucious
- astuciously ... asynchrony
- asyndeta ... at hazard
- at heart ... at the double
- at the drop of a hat ... ataractic
- ataraxia ... atheistically
- atheize ... Athos
- athrill ... atmos
- atmosphere ... atomies
- atomisation ... atria
- atrial ... attainder
- attainer ... attenuator
- attercop ... attorney general
- attorney-at-law ... attuitively
- attune ... auction site
- auctionary ... audiometrician
- audiometrist ... augment
- augmentable ... Aunt Sallies
- Aunt Sally ... auriscope
- auriscopic ... austral
- Austral Islands ... autarchies
- autarchist ... authorizer
- authorless ... autocrat
- autocratic ... Autoharp
- autohypnosis ... automatical
- automatically ... autopsia
- autopsic ... autotoxin
- autotransformer ... avadavat
- avail ... aventurine
- avenue ... aviarist
- aviary ... avocational
- avocationally ... await
- awaiter ... awesomely
- awesomeness ... axemen
- axenic ... axmen
- Axminster ... ayu
- Ayub Khan ... azonal soil
- azonic ... azymous
