Agricultural Adjustment Administration.
Amateur Athletic Association.
American Automobile Association.
antiaircraft artillery.
Automobile Association of America.



a proportional shoe width size, narrower than AA.
the highest quality rating for a corporate or municipal bond.
Electricity. a battery size for 1.5 volt dry cells: diameter, 0.4 inches (1 cm); length 1.7 inches (4.3 cm).


Amateur Athletic Association.
American Automobile Association.
Automobile Association of America. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for aaa

Contemporary Examples of aaa

Historical Examples of aaa

  • We are in the market for 500 AAA skunk, males and females for breeding purposes.

    Fur Farming For Profit

    Hermon Basil Laymon

  • It may be loaded with larger shot—say AAA—which is effective up to fifty yards.

    Unexplored Spain

    Abel Chapman

British Dictionary definitions for aaa


abbreviation for

British Amateur Athletic Association
anti-aircraft artillerySee also triple A
US Automobile Association of America
Automobile Association of Australia
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

Word Origin and History for aaa


also AAA, abbreviation of American Automobile Association, attested 1902, American English, the year the organization was founded.

Online Etymology Dictionary, © 2010 Douglas Harper