Denounce

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"

4. To proclaim in a threatening manner; to threaten by some outward sign or expression; make a menace of.

   "to denounce war; to denounce punishment"

5. To announce the termination of; especially a treaty or armistice.