Pseudologue

Part of speech: noun

Definitions

1. Someone who compulsively makes false statements and invents untruths as a pattern of behavior
2. A person prone to fabricating stories and misrepresenting facts in an habitual manner
3. An individual who regularly deceives others through persistent falsehoods and invented narratives

Etymology: The Greek root here is more concrete than the English suggests. Ancient Greek "pseudológos" meant "speaking falsely" or "lying," built from "pseudēs" (false) and "lógos" (speech, word, reason), the same "logos" that gives English its endless "-logy" words. So the word's core idea is simply a person who talks falsehood, and the Latin "pseudologus" carried that sense over unchanged into the learned vocabulary of later Europe. The English form, "pseudologue," follows the pattern of many words borrowed from Greek through Latin, where "-logus" became "-logue" in English spelling. Its prefix "pseudo-" is also a Greek element meaning "false" or "spurious," which English uses widely in modern coinages such as "pseudoscience." Together the two parts give a transparent compound: a speaker of falsehoods, rather than a mere liar in the everyday sense.