- not conforming to Christian teaching or principles: unchristian selfishness.
- not Christian.
- Informal. unsuitable for Christians; uncivilized; objectionable: She declared she would not pay such an unchristian amount of money for a hotel room.
- not in accordance with the principles or ethics of Christianity
- non-Christian or pagan
adj.1550s, “not professing Christianity” (of persons), from un- (1) “not” + Christian. Meaning “at variance with Christian principles” (of actions) is recorded from 1580s.