Pseudologia

Part of speech: noun

Definitions

1. Compulsive or habitual telling of fabricated tales, often elaborate and sometimes rooted in a psychological disorder
2. An pathological tendency to invent detailed untrue stories, frequently with the speaker believing parts of their own fabrications
3. The chronic habit of spinning elaborate falsehoods, a condition sometimes associated with a disorder of the personality

Etymology: Pseudologia fantastica is a term from psychiatry, and the word itself is a modern coinage built entirely from Greek parts: "pseudo-", meaning false, and "logos", meaning speech or reasoning, with the "-ia" ending that marks a condition or quality. The name reflects a clinical idea that a person repeatedly tells elaborate, invented stories, often with a degree of conviction that goes beyond ordinary lying. The Greek roots are ancient, but the combined word was not. Its origin lies in the German psychiatric literature of the late nineteenth and early twentieth centuries, where clinicians sought labels for patterns of compulsive fabrication they could not fit into existing diagnoses. The English form simply carries that German terminology over into medicine and psychology. Because the word is a technical formation, its meaning is narrow. It describes a pattern of storytelling rather than a single false statement, and it is used mainly in clinical and forensic contexts. Its history is therefore best understood as a deliberate piece of specialist vocabulary built from classical materials, not a word that has drifted through everyday speech.

Synonyms: pathological lying, mythomania

Antonyms: honesty, truthfulness