denounce
1. [ verb ] speak out against
Examples:

"He denounced the Nazis"

Related terms: criticize condemn fulminate denunciation
2. [ verb ] to accuse or condemn or openly or formally or brand as disgraceful
Synonyms: mark brand stigmatise stigmatize
Examples:

"He denounced the government action" "She was stigmatized by society because she had a child out of wedlock"

Related terms: label mark stigmatization
3. [ verb ] announce the termination of, as of treaties
Related terms: announce
4. [ verb ] give away information about somebody
Synonyms: tell_on betray shop grass rat shit peach snitch stag give_away
Examples:

"He told on his classmate who had cheated on the exam"

Related terms: inform tip_off crap informer fink deserter
Similar spelling:   demonic
  demonize
  demonise
  demoniac
  demonism