- antediluvian
- antelope
- antenatal
- antenatal clinic
- antenna
- anteroom
- anthem
- anthill
- anthology
- anthrax
- anthropologist
- anthropology
- anti-
- antiaircraft
- antiapartheid
- antiballistic missile
- antibiotic
- antibody
- anticipate
- anticipation
- anticlimax
- anticlockwise
- antics
- anticyclone
- antidepressant
- antidote
- antifreeze
- Antigua
- antihero
- antihistamine
- antinuclear
- antipathy
- antipersonnel
- antiperspirant
- Antipodes
- antiquarian
- antiquated
- antique
- antique dealer
- antique shop
- antiquity
- anti-Semitic
- anti-Semitism
- antiseptic
- antisocial
- antistatic
- antitank
- antithesis
- antlers
- antonym
- Antwerp
- anus
- anvil
- anxiety
- anxious
- anxiously
- any
- anybody
- anyhow
- anyone
- anyplace
- anything
- anyway
- anywhere
- Anzac
- AOB
- Apache
- apart
- apartheid
- apartment
- apartment building
- apathetic
- apathy
- APB
- ape
- Apennines
- aperitif
- aperture
- apex
- APEX
- aphid
- aphorism
- aphrodisiac
- apices
- apiece
- aplomb
- APO
- apocalypse
- apocalyptic
- apogee
- apolitical
- apologetic
- apologetically
- apologize
- apology
- apoplectic
- apoplexy
- apostle
- apostrophe
- appal
- Appalachian
- appall
- appalled
- appalling
- appallingly
- apparatus
- apparel
- apparent
- apparently
- apparition
- appeal
- appealing
- appear
- appearance
- appease
- appeasement
- append
- appendage
- appendices
- appendicitis
- appendix
- appertain
- appetite
- appetizer
- appetizing
- applaud
- applause
- apple
- apple pie
- apple tree
- appliance
- applicable
- applicant
- application
- application form
- applicator
- applied
- appliqué
- apply
- appoint
- appointment
- apportion
- apposite
- appraisal
- appraise
- appreciable
- appreciably
- appreciate
- appreciation
- appreciative
- apprehend
- apprehension
- apprehensive
- apprehensively
- apprentice
- apprenticeship
- appro.
- approach
- approachable
- approaching
- approbation
- appropriate
- appropriately
- appropriation
- approval
- approve
- approved
- approving
- approx.
- approximate
- approximately
- approximation
- APR
- Apr.
- après-ski
- apricot
- apricot tree
- April
- April Fools' Day
- apron
- apropos
- apt
- APT
- Apt.
- aptitude
- aptitude test
- aptly
- aqualung
- aquamarine
- aquaplane
- aquarium
- Aquarius
- aquatic
- aqueduct
- AR
- ARA
- Arab
- Arab League
- Arabia
- Arabian