mythomane
\ MITH-uh-meyn \, noun;
1.a person with a strong or irresistible propensity for fantasizing, lying, or exaggerating.
adjective:
1.of, pertaining to, or characteristic of a mythomane.
Quotes:
"Having lived with a mythomane ," she wrote, "I know they believe everything they say; they are not conscious liars, they invent to increase everything about themselves and their lives and believe it."
-- Nicholas Shakespeare, “A Life Less Ordinary,” Granta , 1998,
The flash-before-the-crash yarn is fantasy springing from the untrustworthy lips of a mythomane .
-- Martyn Gregory, Diana: The Last Days , 1999
Origin:
Mythomane emerged in the 1950s and may be a back formation of mythomania meaning "lying to an abnormal degree."
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