- ASYLUM - An institute that provides care n shelter.
- ATAVISM - The reappearance of a characteristic in an organism after several generations of absence.
- ATELIER - Workshop, artist studio.
- ATHWART - Side to side, transversely.
- ATONE - Repent.
- ATROCIOUS - Very Bad, unpleasant.
- ATROCITY - Heinous act, wicked act.
- ATROPHY - Waste away.
- ATTACHE - A person appointed to an ambassador's staff.
- ATTENUATE - To reduce in strength.
- ATTEST - To testify, bear witness.
- ATTRIBUTE - Assign.
- ATTRITION - Wearing down.
- AUDACIOUS - Bold.
- AUGMENT - To increase.
- AUGURY - Divination.
- AUGUST - Grand, Majestic.
- AUSCULTATION - The act of listening to internal organ sounds.
- AUSTERE - Without luxury. eg. austere life.
- AUTHENTICATE - To prove genuine.
