imposter
/ɪmˈpɑstər/
noun
- A person who pretends to be someone else in order to deceive others, especially for fraud or gain.
- The imposter claimed to be a doctor and treated patients for weeks before being caught.
- She felt like an imposter at the conference, surrounded by real experts.
- The security team quickly identified the imposter trying to enter the building with a fake ID.
Antonyms