The Collaborative International Dictionary of English v.0.48:
Unwisely \Un*wise"ly\, adv. [AS. unw[imac]slice.] In an unwise manner; foolishly. [1913 Webster]WordNet (r) 3.0 (2006):
unwisely adv 1: without good sense or judgment; "He acted foolishly when he agreed to come" [syn: foolishly, unwisely] [ant: sagely, wisely]