Verb badmouth has 1 sense
- badmouth, malign, traduce, drag through the mud - speak unfavorably about; "She badmouthes her husband everywhere"
--1 is one way to defame, slander, smirch, asperse, denigrate, calumniate, smear, sully, besmirch
Sample sentences:
Somebody ----s something
Somebody ----s somebody
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