unchristian

Alternation (due to Christian) of Middle English uncristen, uncristene, from Old English uncristen (“unchristian”), equivalent to un- +‎ Christian. Compare West Frisian onkristen, Dutch onkristen (obsolete Dutch onchristen), Danish ukristen, Swedish okristen, Icelandic ókristinn.

• (UK) IPA^(key): /ʌnˈkɹɪstʃən/, /ʌnˈkɹɪstɪən/
• (General American) IPA^(key): /ʌnˈkɹɪstʃən/, /ʌnˈkɹɪst͡ʃən/

unchristian (comparative more unchristian, superlative most unchristian)

1. Not of the Christian faith.
2. Not in accord with Christian principles; without Christian spirit; unbefitting a Christian.
   • 1859, Charles Dickens, The Haunted House

     I hope I may never again be in a state of mind so unchristian as the mental frame in which I lived for some weeks, respecting the memory of Master B. [His bell rang] two nights out of three, until I conceived the happy idea of twisting Master B.‘s neck […]

   • 2009, Diarmaid MacCulloch, A History of Christianity, Penguin 2010, p. 215:

     Arius […] eventually died obscurely, reputedly as the result of an acute attack of dysentery in a latrine in Constantinople, which circumstance afforded his enemies some unchristian pleasure, and was eventually commemorated with exemplary lack of charity in the Orthodox liturgy.

• unchristianlike