definition of
denounce

[1] #1 denounce v. speak out against; "He denounced the Nazis". wn

[2] #2 denounce v. [stigmatize, stigmatise, brand, mark] to accuse or condemn or openly or formally or brand as disgraceful; "He denounced the government action"; "She was stigmatized by society because she had a child out of wedlock". wn

[3] #3 denounce v. announce the termination of, as of treaties. wn

[4] #4 denounce v. [tell on, betray, give away, rat, grass, shit, shop, snitch, stag] give away information about somebody; "He told on his classmate who had cheated on the exam". wn