1. (

• denounce

) speak out against; "He denounced the Nazis" ;

2. (

• stigmatize ,
• stigmatise ,
• brand ,
• denounce ,
• mark

) to accuse or condemn or openly or formally or brand as disgraceful; "He denounced the government action"; "She was stigmatized by society because she had a child out of wedlock" ;

3. (

• denounce ,

) announce the termination of, as of treaties ;

4. (

• denounce ,
• tell_on ,
• betray ,
• give_away ,
• rat ,
• grass ,
• shit ,
• shop ,
• snitch ,
• stag ,

) give away information about somebody; "He told on his classmate who had cheated on the exam" ;