Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Medical Dictionary

pathological liar

noun

Medical Definition of pathological liar

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




Seen and Heard

What made you want to look up pathological liar? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a very small amount

Get Word of the Day daily email!