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.
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 Experts have worried that this dynamic could lead to a phenomenon referred to as the liar’s dividend, in which bad actors use the claim that authentic media is AI-generated in order to create distrust and avoid accountability. Jared Perlo, NBC news, 1 Feb. 2026 When asked by reporters about Miller's criticism, Walters called Miller a liar. Dale Denwalt, Oklahoman, 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 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 15 Feb. 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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