De*nounce" (?), v. t. [imp. & p. p. Denounced (?); p. pr. & vb. n. Denouncing.] [F. dénoncer, OF. denoncier, fr. L. denuntiare, denunciare; de- + nunciare, nuntiare, to announce, report, nuntius a messenger, message. See Nuncio, and cf. Denunciate.] 1. To make known in a solemn or official manner; to declare; to proclaim (especially an evil). [Obs.]

Denouncing wrath to come.

I denounce unto you this day, that ye shall surely perish.

2. To proclaim in a threatening manner; to threaten by some outward sign or expression.

His look denounced desperate.

3. To point out as deserving of reprehension or punishment, etc.; to accuse in a threatening manner; to invoke censure upon; to stigmatize.

Denounced for a heretic.

To denounce the immoralities of Julius Cæsar.

• (transitive) to criticize or speak out against (someone or something)
  
• (transitive) to openly accuse (someone)
  
• (transitive) to formally accuse (someone)
  
• (transitive) to give away information about (someone)
  
• (transitive) to announce the termination of; especially a treaty