The Collaborative International Dictionary of English v.0.48:
Impenitently \Im*pen"i*tent*ly\, adv. Without repentance. [1913 Webster]WordNet (r) 3.0 (2006):
impenitently adv 1: in an impenitent manner; "he repeated his position unrepentantly" [syn: impenitently, unrepentantly] [ant: penitentially, penitently, repentantly]