- Angiras
- Anglicize
- Angling
- Anglo
- Anglophone
- Angora
- Angry
- Annihilated
- Annihilation
- Annualized
- Annuity
- Annus mirabilis
- Anodise
- Anomalous
- Anonym
- Anus
- Anterior
- Anther
- Anthrop
- Anthropocentric
- Anthropological
- Anthropologist
- Anti-revolutionary
- Anti-semitic
- Antibody
- Antic
- Antichrist
- Anxiety
- Anxious
- Anxiousness
- Any day
- Any small bird
- Anything
- Anything solid
- Anythink
- Apathetic
- Apercu
- Aphemia
- Apparatus
- Apparel
- Appealer
- Appealingly
- Appellant
- Appellation
- Appendicitis
- Appertain
- Appetise
- Appetite
- Apple of the eye
- Appliance
- Application
- Applied mathematics
- Applied science
- Appositely
- Appositeness
- Aquatic animal
- Arabian sweat-meat
- Arapaima
- Arbitrage
- Arbitrarily
- Arbitrariness
- Arbitress
- Archive
- Archives
- Archivist
- Ardent
- Arduous
- Area manager
- Areal flood
- Aren't
- Argent
- Arguing
- Argumentation
- Arms
- Army corps
- Aroma
- Aromatic
- Arpeggio
- Arrange
- Arrest
- Arrest attention
- Arrhythmic
- Arrived
- As clear as mud
- As far as possible
- As fit as a fiddle
- As if
- As memory serves
- As much again
- As old as methuselah
- Ascendent
- Asceticism
- Asecrtained
- Asexuality
- Ash-colour
- Ashore
- Ashy
- Asian palm civet
- Aside
- Ask for