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’s a term called the liar’s dividend, which describes an information environment where mis- and disinformation such as deepfakes become so prevalent that anyone accused of doing something awful can simply use them to cast doubt on genuine evidence. Charlie Warzel, The Atlantic, 5 Mar. 2026 Ashley then accuses Alex of being a liar. Sarah Hearon, Entertainment Weekly, 4 Mar. 2026 In the prosecution’s final rebuttal in court Monday, Brooks dug into the details of the case and accused Colin Gray of being a liar, a narcissist and a bad parent. Eric Levenson, CNN Money, 2 Mar. 2026 In a 20-year-old Michigan Court of Appeals case involving a custody order on Sue’s son, the court had called her a con artist, scam artist and psychopathic liar and said that her life resembled a soap opera. Virginia Hammerle, Dallas Morning News, 1 Mar. 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 9 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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster