Mythomaniac

//ˌmɪθəˈmeɪniæk// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Someone who suffers from mythomania.

Synonyms

All synonyms
false witnessliarmythomaneperjurerprevaricatorsatan

Etymology

Borrowed from French mythomane. By surface analysis, mytho- + -maniac. Attested in English since 1950s.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.