li·​ar ˈlī(-ə)r How to pronounce liar (audio)
: 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 The pretty little liars were first spotted together in 2018 and have basically been inseparable ever since. Carrie Wittmer, Glamour, 3 July 2024 On one side, a very bad human being who is a liar and potentially dangerous to the nation and the world. Alexi McCammond, Washington Post, 28 June 2024 One of them is an inveterate liar who doesn't care about this country. Zac Anderson, USA TODAY, 28 June 2024 Lying tends to be rare, except in the case of a small group of frequent liars. Christian B. Miller, CNN, 25 June 2024 See all Example Sentences for liar 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'liar.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


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

Dictionary Entries Near liar

Cite this Entry

“Liar.” Dictionary, Merriam-Webster, Accessed 17 Jul. 2024.

Kids Definition


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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