The Collaborative International Dictionary of English v.0.48:

Trite \Trite\ (tr[imac]t), a. [L. tritus, p. p. of terere to
   rub, to wear out; probably akin to E. throw. See Throw, and
   cf. Contrite, Detriment, Tribulation, Try.]
   Worn out; common; used until so common as to have lost
   novelty and interest; hackneyed; stale; as, a trite remark; a
   trite subject. -- Trite"ly, adv. -- Trite"ness, n.
   [1913 Webster]

WordNet (r) 3.0 (2006):

triteness
    n 1: unoriginality as a result of being dull and hackneyed [syn:
         triteness, staleness]