impostor

noun

im·​pos·​tor im-ˈpä-stər How to pronounce impostor (audio)
variants or imposter
: one that assumes false identity or title for the purpose of deception

Examples of impostor in a Sentence

He claimed he was an experienced pilot, but he turned out to be an impostor. the man who claimed to be a prince turned out to be an impostor
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.
While that may have been the case, the country’s oligarchs have unwittingly turned this volatile impostor into a folk hero whose power may not diminish even outside the chancellor’s sphere of influence. Scott Tobias, Vulture, 17 Mar. 2024 The only people who never feel like impostors are the real impostors. Melody Wilding, Forbes, 30 Oct. 2024 Which was presumably not difficult to do after Daniela, having at last discovered that the man sleeping in her bed for the past month was an impostor, bonked Jason B on the head and shoved him down the basement stairs. Chris Klimek, Vulture, 26 June 2024 The prospective mystery series follows Sonny, a teenager who wakes up in the hospital after a car accident to discover that his mom — his only parent, and his best friend — appears to have been replaced by an impostor. Matt Webb Mitovich, TVLine, 23 Oct. 2024 See all Example Sentences for impostor 

Word History

Etymology

Late Latin impostor, from Latin imponere

First Known Use

1564, in the meaning defined above

Time Traveler
The first known use of impostor was in 1564

Dictionary Entries Near impostor

Cite this Entry

“Impostor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/impostor. Accessed 26 Nov. 2024.

Kids Definition

impostor

noun
im·​pos·​tor
variants or imposter
: a person who pretends to be someone else in order to deceive

Legal Definition

impostor

noun
im·​pos·​tor
variants or imposter
: one that assumes a false identity or title for the purpose of deception : impersonator

More from Merriam-Webster on impostor

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!