Dictionary.com
definitions

a.a.

or aa

author's alteration.

RELATED CONTENT

grey-aAs with many things in life, sexuality isn't black and white.
READ MORE
Is Irregardless A Word?Few words draw the ire of grammarians as swiftly as irregardless. The term has been in use in English for over a century, but whether or not it’s a “real word” or one you should use in daily conversation continues to be the subject of debate. Irregardless is a nonstandard synonym for regardless, which means “without concern as to advice, warning, or hardship,” or “heedless.” …
READ MORE

Nearby words

a-yuh, a., a. e., a.-fr., a.-s., a.a., a.a.a., a.a.a.l., a.a.a.s., a.a.e., a.a.e.e.

Definition for a.a. (2 of 2)

A.A.

Alcoholics Anonymous.
antiaircraft.
antiaircraft artillery.
Associate in Accounting.
Associate of Arts.
author's alteration.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Word Origin and History for a.a.

A.A.

also AA, abbreviation of Alcoholics Anonymous, attested by 1941, American English. The group name was the title of a book published in 1938 by the founder, Bill W.

Online Etymology Dictionary, © 2010 Douglas Harper