Synonyms for slander

defamation, calumny, scandal, libel; see lie 1.

vilify, defame, calumniate, asperse, decry, traduce, libel, defile, detract, depreciate, disparage, revile, dishonor, blaspheme, curse, attack, sully, tarnish, besmirch, denigrate, smirch, blot, cast a slur on, scandalize, belittle, backbite, derogate, blacken, sneer at, malign, falsify, speak evil of, give a bad name*, blacken the fair name*, dish the dirt*, sling the mud*, plaster*, blackwash*; see also lower.

Antonyms praise*, applaud, eulogize.