What is the meaning of Denounce?

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

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

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

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

To claim the right of working a mine that is abandoned or insufficiently worked.

Source: wiktionary.org