The Collaborative International Dictionary of English v.0.48:
Sarcastically \Sar*cas"tic*al*ly\, adv. In a sarcastic manner. [1913 Webster]WordNet (r) 3.0 (2006):
sarcastically adv 1: in a sarcastic manner; "`Ah, now we're getting at the truth,' he interposed sarcastically" [syn: sarcastically, sardonically]