Learn how to say Denounce correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word denounce:
publicly declare to be wrong or evil:
the Assembly denounced the use of violence
he was widely denounced as a traitor
priests denounced him to the King for heresy
Middle English (originally in the sense ‘proclaim’, also ‘proclaim someone to be wicked, a rebel, etc.’): from Old French denoncier, from Latin denuntiare ‘give official information’, based on nuntius ‘messenger’