verb

1. To make known in a formal manner; to proclaim; to announce; to declare.

2. To criticize or speak out against (someone or something); to point out as deserving of reprehension, etc.; to openly accuse or condemn in a threatening manner; to invoke censure upon; to stigmatize; to blame.

   “to denounce someone as a swindler, or as a coward”

3. To make a formal or public accusation against; to inform against; to accuse.

   “to denounce a confederate in crime”

Synonyms: attack, charge, condemn, criticize, damn, decry, discredit, inveigh against