Definitions:

1. Abbreviation for Alcoholics Anonymous: an organization for people who drink too much alcohol and want to cure themselves of this habit. noun
   • John has been attending AA meetings for six months now.
2. An abbreviation for Associate in Arts: a degree given by an American college to someone after they have finished a two-year course, or a person who has this degree. noun
   • She just received her AA degree in Nursing.

Synonyms:

• 12-step group
• Associate in Arts