derogatory

Synonyms: aspersing belittling calumnious censorious contumelious critical damaging decrying defamatory degrading demeaning deprecatory depreciative despiteful detracting disdainful dishonoring disparaging fault-finding humiliating injurious malevolent malicious maligning minimizing opprobrious reproachful sarcastic scornful slanderous slighting spiteful unfavorable unflattering vilifying

Antonyms: appreciative complimentary favorable flattering praising