/dɪ'naʊns; dɪ`nauns/
v
1 (a) [Tn, Tn.pr, Cn.a] ~ sb (to sb) (as sth) give information (to the authorities) against sb （向当局）告发某人
*An informer denounced him to the police (as a terrorist). 检举人已向警方告发他（是恐怖分子）.
(b) [Tn, Cn.a] ~ sb/sth (as sth) say that sb/sth is wrong, unlawful, etc 谴责; 指责; 斥责
*She strongly denounced the Government's hypocrisy. 她强烈谴责政府虚伪.
* Union officials denounced the action as a breach of the agreement. 工会负责人谴责这一行动破坏了协议.
2 [Tn] announce one's withdrawal from (a treaty, etc) 宣布退出（条约等）.

v [T]
[Date: 1300-1400; Language: Old French;Origin: denoncier 'to announce', from Latin denuntiare, from nuntiare 'to report']
to express strong disapproval of someone or something, especially in public
→denunciation
　Amnesty International denounced the failure by the authorities to take action.
denounce sb/sth as sth
　He denounced the election as a farce.
to give information to the police or other authority about someone's illegal political activities
denounce sb to sb
　She denounced him to the secret police.