- Amidships
- Amiss
- Ammonia
- Amnesty
- Amok
- Among muslims
- Anabolic steroid
- Anachronistic
- Anaemic
- Anagram
- Anal
- Analectic
- Analgesic
- Analogue
- Analyse
- Anandrous
- Anaphase
- Anguish
- Anguished
- Animadversion
- Anorexigenic
- Animal magnetism
- Animate
- Animism
- Anise
- Ankus
- Annex
- Annexation
- Annexed to
- Anopheles
- Anorak
- Anorexia
- Anosmia
- Another cup of tea
- Anoxia
- Answer
- Answering
- Antagonist
- Antagonistic
- Antares
- Anteater
- Antebellum
- Antecedence
- Antenna
- Anxiety disorders
- Any
- Any day now
- Anyplace
- Anything but
- Anything small
- Anyway
- Aourora
- Apathy
- Apepsy
- Aperture
- Apex
- Appalled
- Appalling
- Apparently
- Appeal
- Appearance
- Appeasement
- Append
- Applaud
- Apple-pie order
- Aria
- Aptitude test
- Aqua-lung
- Aquaponics
- Aquaris
- Aquarist
- Aquarium
- Aqueduct
- Aquiline
- Arab colonist
- Arabian
- Arabian sea
- Arable
- Arbitrate
- Arbitration
- Arbitrator
- Arbitrators
- Archway
- Arctic
- Arctic pole
- Ardent desire
- Ardent spirits
- Ardently
- Area
- Areca
- Areca leaves
- Areca palm
- Arecanut palm
- Arete
- Argot
- Argument
- Argumentative
- Argy-bargy
- Arrows
- Arse over tit