WordWeb Online

1. A false accusation of an offence or a malicious misrepresentation of someone's words or actions
   - defamation, calumniation, obloquy, traducement, hatchet job
    
2. An abusive attack on a person's character or good name
   - aspersion, slander, defamation, denigration

Derived forms: calumnies

Type of: attack, blast [informal], depreciation, derogation, disparagement, fire, flack, flak [informal], stick [Brit, informal]

Encyclopedia: Calumny