mythomania

[ mith-uh-mey-nee-uh ]
/ ˌmɪθ əˈmeɪ ni ə /
See synonyms for: mythomania / mythomaniac on Thesaurus.com

noun Psychiatry.

lying or exaggerating to an abnormal degree.

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Origin of mythomania

First recorded in 1905–10; mytho- + -mania

OTHER WORDS FROM mythomania

myth·o·ma·ni·ac [mith-uh-mey-nee-ak], /ˌmɪθ əˈmeɪ niˌæk/, noun, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for mythomania

mythomania
/ (ˌmɪθəʊˈmeɪnɪə) /

noun

psychiatry the tendency to lie, exaggerate, or relate incredible imaginary adventures as if they had really happened, occurring in some mental disorders

Derived forms of mythomania

mythomaniac (ˌmɪθəʊˈmeɪnɪˌæk), noun, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012