mythomane
[mith-uh-meyn]
- a person with a strong or irresistible propensity for fantasizing, lying, or exaggerating.
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- of, relating to, or characteristic of a mythomane.
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Origin of mythomane
First recorded in 1950–55; perhaps back formation from mythomania
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018