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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:

“I always had this impostor syndrome at NYU, because that was where I first really confronted wealthy people,” she explains.

From Los Angeles Times ● Sep. 18, 2026

People reported losing $3.5 billion to impostor scams in 2025, nearly triple 2020’s level, the Federal Trade Commission said in a June report.

From The Wall Street Journal ● Aug. 9, 2026

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

From BBC ● Jul. 11, 2026

In the spirit of full transparency, I immediately experienced almost debilitating impostor syndrome, but after several frantic phone calls to my agents, manager and therapist, I accepted.

From Los Angeles Times ● Jun. 15, 2026

“Human, how do I know you are who you say you are? How do I know you truly represent one of my children and are not an impostor? What proof do you have?”

From "Healer of the Water Monster" by Brian Young

Donna Jowers, owner of the real In & Out Bail Bonds, in Charlotte, N.C., has been fielding calls about such impostors for two years.

From The Wall Street Journal ● Sep. 14, 2026

“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

There have been a few otable Rothschild impostors over the years, including Inna Yashchyshyn, who posed as Anna de Rothschild while visiting President Trumop’s Mar-a-Lago estate in Florida in 2021.

From Los Angeles Times ● Feb. 4, 2025

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

Maybe they’re not your parents at all, but impostors.

From "Challenger Deep" by Neal Shusterman

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