- an idol
- a churning pot
- a dais
- an ear of corn
- approved
- anguis fragilis
- amblyopia
- abatement
- accepted
- a tomb
- a topic
- androgyny
- afforest
- aircraft engine
- asphyxiator
- afterburner
- alarm system
- agglomerator
- aspergill
- adaptor
- a machine or its parts
- amulate
- amun
- a tunnel
- a worthless fellow
- a switch
- a tiny artificial pearl
- a ship
- ark
- an observatory (of stars and planets etc.)
- automata type
- a sin
- absence of pleasure
- alas!
- also a particle expressive of mental or physical agony
- a sigh indicating deep agony
- a robber in a saint's garb
- as stated
- as said earlier
- as per
- according to one's portion
- as mentioned before
- according to one's duty
- as one's duty demands
- according to one's deeds
- according to the order laid down
- according to tradition
- as expected
- according to (one's) understanding
- as per usage