[ mith-uh-mey-nee-uh ]
See synonyms for: mythomaniac on

  1. lying or exaggerating to an abnormal degree.

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

Words Nearby mythomania Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use mythomania in a sentence

  • To dart a lance at mythomania is his delight, while preserving the impassibility of a Parnassian.

    Ivory Apes and Peacocks | James Huneker

British Dictionary definitions for mythomania


/ (ˌmɪθəʊˈmeɪnɪə) /

  1. 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