Dictionary.com
Thesaurus.com
Showing results for impostor. Search instead for imposters.
Synonyms

impostor

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

noun

  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

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.

Thick skin is overrated, and impostor syndrome isn’t always a bad thing.

From The Wall Street Journal • Apr. 30, 2026

I stayed silent in that group for days, convinced someone would realize I was an impostor.

From Slate • Apr. 12, 2026

“I was feeling such impostor syndrome,” he said.

From Los Angeles Times • Mar. 2, 2026

Then he secretly purchases a passel of tortoises; constructs a long-handled grabber; leans down from his balcony; extracts Alfie; and, each week, substitutes a slightly heavier impostor.

From The Wall Street Journal • Feb. 23, 2026

The impostor Leanna North rose higher into the air.

From "The Way to Rio Luna" by Zoraida Cordova

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "impostor" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com