Denunciation is the act of reporting someone who has broken a rule or law to the authorities. the denunciation of Jews to the Nazis during the Second World War. a public statement in which you criticize someone or something (denuntiatio, from denuntiare; DENOUNCE)
Denunciation of someone or something is severe public criticism of them. On September 24, he wrote a stinging denunciation of his critics = condemnation