The Collaborative International Dictionary of English v.0.48:

Profanely \Pro*fane"ly\, adv.
   In a profane manner.
   [1913 Webster]

         The character of God profanely impeached. --Dr. T.
                                                  Dwight.
   [1913 Webster]

WordNet (r) 3.0 (2006):

profanely
    adv 1: with curses; "muttering profanely"
    2: in an irreverent or profane manner; "he kept wondering
       profanely why everything bad happened to him"

Bouvier's Law Dictionary, Revised 6th Ed (1856):

PROFANELY. In a profane manner. In an indictment, under the act of assembly
of Pennsylvania, against profanity, it is requisite that the words should be
laid to have been spoken profanely. 11 S. & R. 394.