Source : Webster's Revised Unabridged Dictionary (1913)

Cynically \Cyn"ic*al*ly\ (s[i^]n"[i^]*kal*l[y^]), adv.
   In a cynical manner.

Source : WordNet®

cynically
     adv : in a cynical manner; "Larsen's frost-blackened lips curved
           cynically" [syn: {with cynicism}]