imposter
Definitions
A person who pretends to be someone else in order to deceive others.
A person who assumes a false identity or title for the purpose of fraud.
Examples
The security guard quickly realized that the man claiming to be the manager was actually an imposter.
She felt like an imposter in her new job, despite having all the necessary qualifications.
Synonyms
Antonyms
original authentic person genuine article real deal truth teller honest individual