pathological liar

noun

Medical Definition of pathological liar

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

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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 19 Sep. 2020.

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