She called him a dirty liar.
she knew he was a liar when he started claiming that he was an astronaut
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The good news is that they’ve been exposed as liars and no one except their fellow authoritarians believes them anymore.—Literary Hub, 29 Jan. 2026 The world is full of bad actors—cheats, liars, tyrants, sickos—who are, ultimately, mere human beings; at least, this was how rationality would have it.—Joshua Rothman, New Yorker, 23 Jan. 2026 There were no suggestions that good family friends were liars or backstabbers, no angry exchanges between a man’s wife and the same man’s sister.—Alex Gurley, PEOPLE, 21 Jan. 2026 Known for weaving in multiple story arcs with a cadre of recurring characters coming and going, The Rookie had the first major return this season with Seth Ridley (Patrick Keleher), the pathological liar rookie introduced last season, back in tonight’s episode.—Nellie Andreeva, Deadline, 20 Jan. 2026 See All Example Sentences for liar
Word History
Etymology
Middle English, from Old English lēogere, from lēogan to lie — more at lie
First Known Use
before the 12th century, in the meaning defined above
Time Traveler
The first known use of liar was
before the 12th century