The Collaborative International Dictionary of English v.0.48:
Inextricably \In*ex"tri*ca*bly\, adv. In an inextricable manner. [1913 Webster]WordNet (r) 3.0 (2006):
inextricably adv 1: in an inextricable manner; "motives inspired by Mammon were often inextricably blended with things pertaining to Caesar and to God"