The Collaborative International Dictionary
Dechristianized
Dechristianize \De*chris"tian*ize\, v. t. [imp. & p. p. Dechristianized; p. pr. & vb. n. Dechristianizing.] To turn from, or divest of, Christianity.
Wiktionary
dechristianized
vb. (en-past of: dechristianize)