Definition of pseudologue in US English:

pseudologue

noun

  • A compulsive liar; a person suffering from pseudologia fantastica.

Origin

1940s; earliest use found in Psychiatric Quarterly. From pseudo- + -logue, largely after pseudologia or its etymon scientific Latin pseudologia. Compare Hellenistic Greek ψευδολόγος liar.

Pronunciation

pseudologue

/ˈs(j)uːdə(ʊ)lɒɡ/