defaming

verb

Damage the good reputation of (someone); slander or libel.

SYNONYMS

asperseback-bitebad-mouthbesmirchblacken the name/character ofcalumniatecast aspersions ondecrydefame someone's characterdenigratederogatediscreditdisparagedo a hatchet job ondrag through the mud/miregive someone a bad nameinsultlibellie aboutmalignrun a smear campaign againstrun downslag offslandersling/fling/throw mud atslursmearspeak ill/evil ofstigmatizesully someone's reputationtarnishtell lies abouttraducevilifyvilipend