Source : Webster's Revised Unabridged Dictionary (1913)

Cynicism \Cyn"i*cism\ (s[i^]n"[i^]*s[i^]z'm), n.
   The doctrine of the Cynics; the quality of being cynical; the
   mental state, opinions, or conduct, of a cynic; morose and
   contemptuous views and opinions.

Source : WordNet®

cynicism
     n : a cynical feeling of distrust