verb
denounce
dih-NOWNS/dɪˈnaʊns/
To publicly accuse someone or condemn something as wrong.
The speaker publicly denounces the man before the seated witnesses.

Etymology
The “announce” root points to the verb's earlier meaning of making a formal declaration. Publicly declaring someone cursed or wicked helped turn announcement into condemnation; formal accusation became another established use.
In context
anti-fascist demonstrators appeared in front of the conference hotel to denounce us
More examples
- The senator denounced the attacks during a televised speech.
- She denounced her employer to the authorities for fraud.
- Protesters gather outside city hall, denouncing corruption.
Forms
denounce · denounces · denounced · denouncing
denunciation noun — A public accusation or strong expression of condemnation.