One who plays a part; especially, one who, for the purpose of winning approbation of favor, puts on a fair outside seeming; one who feigns to be other and better than he is; a false pretender to virtue or piety; one who simulates virtue or piety. The hypocrite's hope shall perish. (job viii. 13) I dare swear he is no hypocrite, but prays from his heart. (Shak)
Synonym: Deceiver, pretender, cheat. See dissembler.