/ Dictionary / Index M mythomania: Meaning and Definition of Find definitions for: myth•o•ma•ni•a Pronunciation: (mith"u-mā'nē-u), [key] — n. Psychiatry. lying or exaggerating to an abnormal degree. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mythomane mythopoeia Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language