If someone's behavior is reprehensible, it is extremely bad or unacceptable (Cambridge)
morally wrong and deserving criticism (Oxford)
قابل مذمت
His conduct, though morally reprehensible, is not a crime.(Cambridge).
His conduct was thoroughly reprehensible. (Oxford)
Reprehensible conduct/actions
Morally reprehensible
Deplorable
Disgraceful
Disreputable
Creditable
Praiseworthy
Reprehensibly
Reprehension