li·​ar | \ ˈlī(-ə)r How to pronounce liar (audio) \

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 same girl had reported a previous allegation of rape against the same man — only to be branded a liar and prosecuted as a juvenile for filing false information with the police. Ken Armstrong, ProPublica, "Netflix Series Based on Our Work Explores Costs of Not Believing Rape Victims," 5 Sep. 2019 Post social media boom, people are assumed liars until proven truthful. Wired, "The Post-Truth World of Influencer Romances," 28 Aug. 2019 Williams felt the penalty was akin to calling her a cheater and called Ramos a liar and thief, which led to a verbal-abuse penalty that cost her a game late in the second set. Christopher Clarey, New York Times, "What Changed After Serena vs. the Umpire? Not Much.," 23 Aug. 2019 Our tolerance for cheaters, liars, and grifters has increased, and audacity is now prized as a much as actual accomplishment. Oliver Staley, Quartz, "Marathon cheater Rosie Ruiz was an anti-hero ahead of her time," 9 Aug. 2019 The callers are liars and are fishing for your account or credit card numbers. Heloise, Washington Post, "Hints From Heloise: What to do when woman discovers pay inequity?," 15 July 2019 In another, Scarlett Lewis seeks damages because of the false narrative promoted on Infowars, with stories mocking her and other parents of victims as liars. Susan Svrluga,, "Now, the parents of Newtown are fighting back," 8 July 2019 Stepping back from a relationship with a compulsive liar should not damage your other friendships. Abigail Van Buren, Twin Cities, "Dear Abby: Remembering baby they lost is an annual ritual for couple," 8 July 2019 That double against the Three Lions in Mexico back in 1986 couldn't epitomise the man more; for one, there was a liar, a cheat and a thoughtless individual who wanted to win at all costs., "World Cup Countdown: 8 Weeks to Go - The Hand of God & the Dark Side of Diego Maradona," 30 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

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Last Updated

14 Sep 2019

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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 How to pronounce liar (audio) \

Kids Definition of liar

: a person who tells lies

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More from Merriam-Webster on liar

Rhyming Dictionary: Words that rhyme with liar

Thesaurus: All synonyms and antonyms for liar

Spanish Central: Translation of liar

Nglish: Translation of liar for Spanish Speakers

Britannica English: Translation of liar for Arabic Speakers

Comments on liar

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readily or continually undergoing change

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