The Collaborative International Dictionary
Unchristianize
Unchristianize \Un*chris"tian*ize\, v. t. [1st pref. un- + Christianize.] To turn from the Christian faith; to cause to abandon the belief and profession of Christianity.
Wiktionary
unchristianize
vb. (context transitive English) To convert or lead away from Christianity.
Usage examples of "unchristianize".
It was the exhilarating effect—upon a prisoner just escaped from the dungeon of his own heart—of breathing the wild, free atmosphere of an unredeemed, unchristianized, lawless region.