- A bed of nails
- A bird
- Admass
- A bitter pill to swallow
- A brahmin who receives presents in honour of the dead
- A bunch of
- A cavity formed by folding togetherthe open palms
- A chip off the old block
- A collyrium
- A stroke of fate
- A thing or two
- A think tank
- A thorny question
- A tree which has shed its leaves
- A tune
- A type of plantain
- A water grass with umbrella-like foliage
- Aasvogel
- Aboard
- Abode of ascetics
- Abodes
- Abolish
- Aboriginal hunters tribe
- Aborigine
- Abortion
- Abound in
- Abounds
- About
- Above par
- Absentation from mention
- Absolute majority
- Absolute ruler
- Absolution
- Absolve
- Absorber
- Abstain
- Abstention
- Abstract
- Accentuate
- Accessed
- Accidental
- Accidentality
- Acclamatory shouting
- Acclimatization
- Accommodation
- Accompaniments
- Accomplish
- Accomplished
- Accomplishment quotient
- Accordant
- Accorded
- Accordingly
- Accountrements
- Accounts payable
- Accounts receivable
- Accoustics
- Acetic acid
- Ache
- Acid lemon
- Acidophilus
- Acidulous
- Acknowledge
- Acknowledged
- Acm
- Acne
- Acorn
- Acoustic
- Act of peace
- Action meter
- Action-packed
- Activate
- Active server pages
- Active service
- Active voice
- Actively
- Activeness
- Activewear
- Actress
- Actual
- Actualise
- Add on
- Add up
- Addicted
- Addictive
- Adding
- Additional
- Addle
- Addled
- Address field
- Addressee
- Adduce
- Admire
- Admiring
- Admissibility
- Admission
- Admitted
- Admixture
- Admonishment
- Adnation
- Ado