Im*pos"tor (?), n. [L. impostor a deceiver, fr. imponere to impose upon, deceive. See Impone.]
One who imposes upon others; a person who assumes a character or title not his own, for the purpose of deception; a pretender.
"The fraudulent impostor
Syn. -- Deceiver; cheat; rogue. See Deceiver.
© Webster 1913.