Breadcrumb Home > Thesaurus > A Synonyms of aa Find synonyms for: Noun 1. aa, lava usage: a dry form of lava resembling clinkers 2. Alcoholics Anonymous, AA, nongovernmental organization, NGO usage: an international organization that provides a support group for persons trying to overcome alcoholism 3. Associate in Arts, AA, associate degree, associate usage: an associate degree in arts WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of aa (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: quisling Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language