The Collaborative International Dictionary of English v.0.48:

Hypocrite \Hyp"o*crite\, n. [F., fr. L. hypocrita, Gr. ? one who
   plays a part on the stage, a dissembler, feigner. See
   Hypocrisy.]
   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.
   [1913 Webster]

         The hypocrite's hope shall perish.       --Job viii.
                                                  13.
   [1913 Webster]

         I dare swear he is no hypocrite, but prays from his
         heart.                                   --Shak.

   Syn: Deceiver; pretender; cheat. See Dissembler.
        [1913 Webster]

WordNet (r) 3.0 (2006):

hypocrite
    n 1: a person who professes beliefs and opinions that he or she
         does not hold in order to conceal his or her real feelings
         or motives [syn: hypocrite, dissembler, dissimulator,
         phony, phoney, pretender]

The Devil's Dictionary (1881-1906):

HYPOCRITE, n.  One who, profession virtues that he does not respect
secures the advantage of seeming to be what he despises.