If you denigrate someone or something, you criticize them unfairly or insult them. The amendment prohibits obscene or indecent materials which denigrate the objects or beliefs of a particular religion + denigration deni·gra·tion the denigration of minorities in this country. to say things to make someone or something seem less important or good (denigrare, from niger )
charge falsely or with malicious intent; attack the good name and reputation of someone; "The journalists have defamed me!" "The article in the paper sullied my reputation"