Slander
Part of speech: verb
Definition: to utter a slanderous statement
Part of speech: noun
Definition: a false, malicious statement (spoken or published), especially one which is injurious to a person's reputation; the making of such a statement
Example sentence: The common argument that crime is caused by poverty is a kind of slander on the poor.
Defame
Part of speech: verb
Definition: to try to diminish the reputation of.to publish a libel about.