- anticyclone
- antidepressant
- antidepressive
- antiderivative
- antideuteron
- antidiarrheal
- antidiuretic hormone
- antidote
- antidoted
- antidotes
- antidoting
- antidumping
- antielectron
- antienzyme
- antiestablishment
- Antietam
- antifebrile
- antifederalist
- antifeminist
- antifertility
- antifluoridationist
- antifluoridationists
- antifouling
- antifouling paint
- antifreeze