li·​ar | \ˈlī(-ə)r \

Definition of liar 

: a person who tells lies has a reputation as a liar

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Examples of liar in a Sentence

She called him a dirty liar. she knew he was a liar when he started claiming that he was an astronaut

Recent Examples on the Web

The people in power try to dismiss the free press as fake or as liars. azcentral, "Don Bolles murder reverberates 42 years later in a changed world," 1 June 2018 But as Trump paints his accusers as liars conspiring with the media, his behavior goes unchecked by virtue of his Oval Office power and a Republican Party that increasingly has invested in his success. Astead W. Herndon,, "Trump seems to have insulated himself from MeToo movement," 22 Feb. 2018 Both were roundabout ways of calling Sanders a corrupt liar, a term that comes up with stunning frequency in regards to this administration. Rebecca Farley,, "Is This The Most Controversial WHCD Of All Time?," 30 Apr. 2018 Teenagers test the waters of independence by flying farther and farther away from the nest, developing their own identities and honing their craft as professional liars. Illyanna Maisonet,, "Bacalaitos as familial memory and penance," 5 July 2018 Few things bother Brennan more than being called a liar. Mattathias Schwartz, New York Times, "A Spymaster Steps Out of the Shadows," 27 June 2018 Blaming her for not trying to do more to save her classmates, calling her a liar about what happened, etc. Anneclaire Stapleton, CNN, "A mother's powerful letter about her child's experience hiding from the Santa Fe shooter," 19 May 2018 People have called them liars again and again and again. Joseph Goodman,, "Black basketball families find equality, controversy in Mountain Brook," 1 May 2018 To call somebody a liar over something like this is not acceptable. Kc Baker,, "Sandy Hook Parents Sue Conspiracy Theorist Alex Jones for Defamation: 'Enough Is Enough'," 17 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'liar.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of liar

before the 12th century, in the meaning defined above

History and Etymology for liar

Middle English, from Old English lēogere, from lēogan to lie — more at lie

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Dictionary Entries near liar






liar dice

liar paradox

Statistics for liar

Last Updated

9 Nov 2018

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Time Traveler for liar

The first known use of liar was before the 12th century

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More Definitions for liar



English Language Learners Definition of liar

: a person who tells lies


li·​ar | \ˈlī-ər \

Kids Definition of liar

: a person who tells lies

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Comments on liar

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


playful or foolish behavior

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