Unchristian (adjective)

Not characteristic or consistent with the principles or teachings of Christianity.

Origin:

From un- + christian.

Examples:

1. The un-Christian behavior of the group towards the minority was condemned.
2. His un-Christian attitude towards other religions was a source of conflict.
3. The un-Christian treatment of prisoners by the guards was a violation of human rights.
4. Her un-Christian attitude towards the poor was not in line with her faith.
5. The un-Christian actions of the church leaders were a scandal.