the GNU version of the Collaborative International Dictionary of English
adj. Unchristian.
ad. In an unchristian manner.
The Century Dictionary and Cyclopedia
Contrary to the laws or principles of Christianity; unbecoming to Christians.
In an unchristian manner; in a manner contrary to Christian principles.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. not becoming to or like a Christian
Word Usage
"The suggested Bruderschaft has been notably lacking for most of the last two millennia for that matter the Christians have often treated each other most unchristianly."