#1 Webster's New Millennium™ Dictionary of English
This Main Entry: pathological liar
Part of Speech: n
Definition: a person who lies to the point of it being considered a disease or condition, an abnormally habitual liar
Webster's New Millennium™ Dictionary of English, Preview Edition (v 0.9.7)
Copyright © 2003-2008 Lexico Publishing Group, LLC
#2 Merriam-Webster's Medical Dictionary
Main Entry: pathological liar
Function: noun
: an individual who habitually tells lies so exaggerated or bizarre that they are suggestive of mental disorder
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
