denounce

Verb

• give away information about somebody
  • He told on his classmate who had cheated on the exam
    

• announce the termination of, as of treaties

• 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
    

• speak out against
  • He denounced the Nazis
    

Related words

• Synonyms: 
  stigmatize , stigmatise , brand , mark