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Synonyms

impostor

American  
[im-pos-ter] / ɪmˈpɒs tər /
Or imposter

noun

  • impostors
    plural
  1. a person who practices deception under an assumed character, identity, or name.


impostor British  
/ ɪmˈpɒstə /

noun

  1. a person who deceives others, esp by assuming a false identity; charlatan

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of impostor

1580–90; < Late Latin, equivalent to Latin impos ( i )-, variant stem of impōnere to deceive, place on ( see impone) + -tor -tor

Vocabulary lists containing impostor

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

“It’s actually impostor syndrome to the max and really terrifying, but I know what this film is. I’ve watched it 100 times in my head.”

From Los Angeles Times Aug. 12, 2026

In Orange County, Rivera reported her impostor to the state bar, which is investigating.

From Los Angeles Times Jul. 31, 2026

He said the "lone impostor" explanation did not add up.

From BBC Jul. 11, 2026

Among the takeaways from columnist Callum Borchers’s conversations with women who make at least $775,000 a year: Thick skin is overrated and impostor syndrome isn’t always bad.

From The Wall Street Journal May 6, 2026

She is an impostor in my mother’s skin.

From "The Science of Breakable Things" by Tae Keller

“Additionally, many AI impostors will be revealed this year as well; the 2026 equivalents to Pets.com will not make it through to 2027.”

From Barron's Jan. 13, 2026

But there have been a handful of notable Rothschild impostors over the years, including Inna Yashchyshyn, who posed as Anna de Rothschild while visiting Mar-A-Lago in 2021.

From Los Angeles Times Dec. 4, 2024

Workers at the shelter, run by Catholic Charities, turned away both impostors.

From New York Times Jun. 2, 2024

Right now, dating apps are falling out of favor with those treasured demographics, not least thanks to the prevalence of catfishing impostors and nonstop deluges of fake dating options.

From Slate May 17, 2024

“Impostors? What impostors? I thought Gringotts had ways of revealing impostors? Who were they?”

From "Harry Potter and the Deathly Hallows" by J.K. Rowling

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