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pathological liar

noun

: a person who lies compulsively usually for no external gain or benefit and often with detrimental consequences

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pathological fracture
pathological liar
pathologist
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Cite this Entry

“Pathological liar.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/pathological%20liar. Accessed 1 Jan. 2026.

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