Definition

Noun: A person who pretends to be someone else or assumes a false identity, typically to deceive others and gain an advantage, such as money, status, or trust.

Usage

The word "impostor" is used to describe a person engaged in a deliberate act of deception by pretending to be a different person. It carries a strong negative connotation of fraud and dishonesty. * The man claiming to be a doctor was revealed to be an impostor with no medical training. * She felt like an impostor at the prestigious conference, fearing she didn't deserve to be there among the experts. (This usage relates to "impostor syndrome," a psychological pattern.)

Examples

• The art collector discovered the painting was a forgery sold by a clever impostor posing as the artist's heir.
• Security was tightened after an impostor tried to gain access to the building using a fake ID badge.
• He lived for years as an impostor, convincing the small town he was a war hero.

Advanced Usage

• Impostor Syndrome: A psychological phenomenon where an individual doubts their skills, talents, or accomplishments and has a persistent internalized fear of being exposed as a "fraud," despite evidence of their competence.
  • Many high-achieving women struggle with impostor syndrome.

Variants and Related Words

• Imposter: An alternative, common spelling of "impostor." Both are correct.
• Imposture (noun): The act or instance of engaging in deception by pretending to be someone else.
  • His entire life was an elaborate imposture.
• Impersonator: A person who imitates or copies the behavior or appearance of another. This can be for entertainment (e.g., a celebrity impersonator) or for deception (similar to an impostor).

Synonyms

• Fraud: A person who deceives others for personal gain.
• Pretender: One who claims a title or position falsely.
• Charlatan: A person who falsely claims to have a special knowledge or skill; a quack.
• Fake: (Informal, as a noun) A person who is not genuine.
• Deceiver: A person who causes someone to believe something that is not true.

Idioms and Phrases

• To feel like an impostor: To experience feelings associated with impostor syndrome; to feel like a fraud despite one's qualifications.
  • After her promotion, she couldn't shake the feeling that she was an impostor in the executive suite.

Noun

1. a person who makes deceitful pretenses