a. 不信奉基督教的, 异教徒的, 违反礼俗常规的, 极糟的, 极不适当的

[ adj ]
not of a Christian faith
<adj.all>

Unchristian \Un*chris"tian\, a. [Pref. un- not + Christian.]
1. Not Christian; not converted to the Christian faith;
infidel.

2. Contrary to Christianity; not like or becoming a
Christian; as, unchristian conduct.


Unchristian \Un*chris"tian\, v. t. [1st pref. un- + Christian.]
To make unchristian. [Obs.] --South.