The Collaborative International Dictionary of English v.0.48:

Tartuffe \Tar*tuffe"\, Tartufe \Tar*tufe"\, n. [F. tartufe.]
   A hypocritical devotee. See the Dictionary of Noted Names in
   Fiction.
   [1913 Webster] Tartuffish

WordNet (r) 3.0 (2006):

Tartufe
    n 1: a hypocrite who pretends to religious piety (after the
         protagonist in a play by Moliere) [syn: Tartuffe,
         Tartufe]