What's the adjective for denunciator? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs denounce and denunciate which may be used as adjectives within certain contexts.
“We can scarcely suppose that this appeal by Jeremiah to his brother-prophets was merely sarcastic and denunciatory.”
“European newspapers published denunciatory editorials by writers who had never set foot on any mountain, let alone the Matterhorn.”
“I am tempted to ask him whether it could not be construed as denunciatory, but decide to leave its interpretation opened-ended and up to the individual viewer.”