1. a person who speaks about someone or something in a way that is intended to cause harm to their reputation

Examples

• The politician’s maligner spread false rumors about his past.
• She refused to listen to the maligner’s accusations.
• The celebrity sued her maligner for defamation.
• His reputation was damaged by persistent maligners.
• The maligner’s claims were proven to be baseless.
• Don’t be a maligner; if you have concerns, address them directly.