liar

noun

li·​ar ˈlī(-ə)r How to pronounce liar (audio)
Synonyms of liarnext
: a person who tells lies
has a reputation as a liar

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Your competition at this point in the Netflix dating show’s run will include 10 seasons’ worth of cheaters and liars, clout chasers and schmoozers and players. Megan Garber, The Atlantic, 27 Feb. 2026 Part of the reason why liars try to control their body language may be because playing false requires more cognitive effort, says Sharon Leal, a senior research fellow at the University of Portsmouth in England, who studies deception detection. Jackie Flynn Mogensen, Scientific American, 26 Feb. 2026 Putin is a liar and a murderer. CBS News, 15 Feb. 2026 There are many doors in Emily’s world—doors for liars, stair climbers, tigers, snakes, and those who speak very quietly—but none for Emily. Caroline Carlson, Literary Hub, 2 Feb. 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

Browse Nearby Words

Cite this Entry

“Liar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/liar. Accessed 4 Mar. 2026.

Kids Definition

liar

noun
li·​ar ˈlī(-ə)r How to pronounce liar (audio)
: a person who tells lies

More from Merriam-Webster on liar

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