- A1: first class; of highest quality
- Above board: Honest
- Give a good account of oneself: To do well
- Within an ace of: very close to
- Achilles' heel: one's weak spot
- Acid test: a test to approve or disapprove of something
- Across the board: applying to everyone
- Act of God: an unexpected happening which no one can be held responsible for
- Get in on the act: be involved
-Get one's act together: to be organized
- Ad-hoc: for a particular purpose
- Adam's ale: water
- Add insult to injury: make matters worse
- An Adonis:a very attractive young man
