/ Dictionary / Index A Antimachus: Meaning and Definition of Find definitions for: An•tim•a•chus Pronunciation: (an-tim'u-kus), [key] — n. Also calledfl. c410 b.c. Greek poet. (in the Iliad) a chieftain who believed that the Trojans should not return Helen to Menelaus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. antimacassar antimagnetic Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language