liar

noun

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
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.
During that trial, Depardieu’s lawyer called her a liar in the courtroom. CNN Money, 2 Sep. 2025 It’s confirmed, Katie is a big fat liar. Brian Moylan, Vulture, 29 Aug. 2025 Now, Lavrov is such a practiced liar, he's been doing this for decades. NBC news, 24 Aug. 2025 Thus, Penny took him in a helicopter off-island to a hospital, and Carrie and Bess followed on the ferry, leaving only the four liars there alone since their little siblings are off at summer camp. Nellie Andreeva, Deadline, 22 Aug. 2025 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 10 Sep. 2025.

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!