lying or exaggerating to an abnormal degree.
Origin of mythomania
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Related Words for mythomaniacmisleading, deceptive, malicious, deceitful, apostate, base, canting, corrupt, crooked, delusive, devious, dishonorable, disloyal, double-dealing, duplicitous, faithless, foul, lying, malevolent, mean
psychiatry the tendency to lie, exaggerate, or relate incredible imaginary adventures as if they had really happened, occurring in some mental disorders
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