impostor
noun
a person who practices deception under an assumed character, identity, or name.
impostors
-
pluralof impostor.plural
The grammatical form denoting more than one person, place, thing, or idea.
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.
“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
The bill’s backers argue that permitting officers to disguise themselves creates scenarios where impostors may stop and detain migrants, which undermines public trust and ultimately hinders legitimate law enforcement operations.
From Los Angeles Times ● Sep. 12, 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
The search for the ghost of his particle has been similarly confounded by impostors.
From Science Magazine ● Dec. 20, 2023
Maybe they’re not your parents at all, but impostors.
From "Challenger Deep" by Neal Shusterman
