Noun

• S: (n) slander (words falsely spoken that damage the reputation of another)
• S: (n) aspersion, calumny, slander, defamation, denigration (an abusive attack on a person's character or good name)

Verb

• S: (v) defame, slander, smirch, asperse, denigrate, calumniate, smear, sully, besmirch (charge falsely or with malicious intent; attack the good name and reputation of someone) "The journalists have defamed me!"; "The article in the paper sullied my reputation"