- an organization of alcoholics whose purpose is to stay sober and help others recover from the disease of alcoholism. Abbreviation: AA, A.A.
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- an association of alcoholics who try, esp by mutual assistance, to overcome alcoholism
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012