Not religious; heathen
Characterized by or indicating future misfortune; ominous:
Not polite; ill-mannered; discourteous
Devoid of compassion or feeling; pitiless.
The definition of dreadful is terrible, shocking or very disturbing.
Morally bad or wrong; acting or done with evil intent; depraved
The definition of ruthless is someone without compassion or who doesn't show mercy.
Of or representing Christians or Christianity
Having the nature of, involving, or doing great injury or wrong
Find another word for unchristian. In this page you can discover 18 synonyms, antonyms, idiomatic expressions, and related words for unchristian, like: irreligious, unseemly, impious, un-Christian, uncharitable, repugnant, pagan, evil, impolite, heartless and dreadful.