Definitions for "Denounce"
To make known in a solemn or official manner; to declare; to proclaim (especially an evil).
To proclaim in a threatening manner; to threaten by some outward sign or expression.
To point out as deserving of reprehension or punishment, etc.; to accuse in a threatening manner; to invoke censure upon; to stigmatize.
speak out against; "He denounced the Nazis"
To turn in Jews and other groups considered undesirable to the S.S. or the Gestapo. People who were denounced were usually taken prisoner by the Nazis and deported to concentration camps.
give away information about somebody; "He told on his classmate who had cheated on the exam"
announce the termination of, as of treaties