denounce

Verb
  1. Speak out against (synset 200843259)
    "He denounced the Nazis"
  2. To accuse or condemn or openly or formally or brand as disgraceful (synset 202513894)
    "He denounced the government action"; "She was stigmatized by society because she had a child out of wedlock"
  3. Announce the termination of, as of treaties (synset 200844108)
  4. Give away information about somebody (synset 200843665)
    "He told on his classmate who had cheated on the exam"

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