/ Dictionary / Index A aga: Meaning and Definition of Find definitions for: a•ga Pronunciation: (ä'gu), [key] — n. a title of honor, usually implying respect for age. a general. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aga (Thesaurus) ag Agabus Related Content Daily Word Quiz: exemplary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language