DictionaryimpostorFalse identity
noun

impostor

im-PAH-ster/ɪmˈpɑːstər/

Someone who assumes a false identity or falsely claims a role or status.

The impostor lifts a disguise mask to reveal a different face.

An impostor briefly lifts a lifelike disguise mask, revealing that her real face differs from the person she is pretending to be.
Etymology

The pieces describe someone who 'imposes upon': the underlying verb meant both 'place upon' and 'deceive.' The general sense 'deceiver' narrowed to someone who assumes a false identity or falsely claims a role or status.

In context

Audiobooks Owl107:55
the great impostor. In the mid- 20th century, Deara assumed dozens of false identities.
Anatomy of a Con Artist: Inside the Minds of Scammers, Grifters, and Thieves (Audiobook Documentary)

More examples

  • An impostor claimed the prize.
  • Several impostors used the same story.
  • She exposed the impostor.

Forms

impostor · impostors

impersonate verb — pretend to be another person

Similar words

fraud
A person or thing that falsely claims value or identity.
pretender
Claims a role or status without rightful entitlement.