/ Dictionary / Index A Antigonus I: Meaning and Definition of Find definitions for: An•tig•o•nus I Pronunciation: (an-tig'u-nus), [key] — (Cyclops) 382?–301 b.c., Macedonian general under Alexander the Great. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Antigone Antigonus II Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language