A
- avant-garde artist
- attach importance to
- atmospheric pressure
- attach to
- attribute to
- at will
- at the word of command
- at maturity
- at most
- at liberty
- at the opposite extreme
- at the suggestion of
- at the request of
- at large
- at the peak of
- at any price
- at an angle
- at best
- at all costs
- at a run
- at great length
- astronomical body
- as well as
- assembly line
- as the case might be
- at a rate of
- as go
- assume control of
- as follows
- as the name suggests