/ Dictionary / Index M mythomane: Meaning and Definition of Find definitions for: myth•o•mane Pronunciation: (mith'u-mān"), [key] — n. a person with a strong or irresistible propensity for fantasizing, lying, or exaggerating. —adj. of, pertaining to, or characteristic of a mythomane. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mythology mythomania Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language