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mythomane

American

[mith-uh-meyn] / ˈmɪθ əˌmeɪn /

noun

a person with a strong or irresistible propensity for fantasizing, lying, or exaggerating.

adjective

of, relating to, or characteristic of a mythomane.

Etymology

Origin of mythomane

First recorded in 1950–55; perhaps back formation from mythomania

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.