/ Dictionary / Index A AAAA: Meaning and Definition of Find definitions for: AAAA Pronunciation: [key] Amateur Athletic Association of America. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. AAA A.A.A.L. Related Content Daily Word Quiz: benevolent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language