denounce

Synonyms: accuse adjudicate arraign blacklist blame boycott brand castigate censure charge charge with criticize damn declaim decry denunciate derogate dress down excoriate exposé finger hang something on impeach implicate impugn incriminate indict inveigh against knock ostracize proscribe prosecute rap rat rebuke reprehend reprimand reproach reprobate reprove revile scold show up skin smear stigmatize take to task threaten upbraid vilify vituperate

Antonyms: approve commend compliment praise