The Collaborative International Dictionary of English v.0.48:
Antitypical \An`ti*typ"ic*al\, a. Of or pertaining to an antitype; explaining the type. -- An`ti*typ"ic*al*ly, adv. [1913 Webster]WordNet (r) 3.0 (2006):
antitypical adj 1: of or relating to an antitype [syn: antitypic, antitypical]