impostor
noun
im·pos·tor
im-ˈpä-stər 
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
The 2025 major league impostors did not win a series until June.
—
Troy Renck, Denver Post, 4 Apr. 2026
Soon ransom demands started coming in — although many are believed to be from impostors.
—Michael Ruiz, FOXNews.com, 30 Mar. 2026
The impostors have been presenting themselves as representatives of the Texas Department of Insurance's Division of Workers' Compensation.
—Doug Myers, CBS News, 25 Feb. 2026
Days later, a note was sent directly to the Guthrie family, allegedly from a man living in Hawthorne, that authorities now say was an impostor.
—Hannah Fry, Los Angeles Times, 11 Feb. 2026
See All Example Sentences for impostor
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Troy Renck, Denver Post, 4 Apr. 2026
Soon ransom demands started coming in — although many are believed to be from impostors.
—Michael Ruiz, FOXNews.com, 30 Mar. 2026
The impostors have been presenting themselves as representatives of the Texas Department of Insurance's Division of Workers' Compensation.
—Doug Myers, CBS News, 25 Feb. 2026
Days later, a note was sent directly to the Guthrie family, allegedly from a man living in Hawthorne, that authorities now say was an impostor.
—Hannah Fry, Los Angeles Times, 11 Feb. 2026
See All Example Sentences for impostor
Cite this Entry
“Impostor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/impostor. Accessed 5 Apr. 2026.
Copy CitationKids 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
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