- 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 lunar day
- A man easily provoked
- A man of letters
- A musical drm
- A peak of the western ghats
- A perfume
- 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
- Aberrational
- Abetment
- Abhorrence
- Abide
- Abide way
- Abiding
- Abigail
- Abjudication
- Abjure
- Ablative case
- Ablest
- Ablution
- Ablutophobia
- Abnegate
- Above the weather
- Above-ground
- Aboveboard
- Abrasion
- Abridge
- Abridgment
- Abrigement
- Abrus
- Abscond with
- Absent-minded
- Abstraction
- Absurd drama
- Abusive words
- abuzz
- Acacia
- Academician
- Academics
- 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