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WORDNET DICTIONARY
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WORDNET DICTIONARY

Verb besmirch has 2 senses

• besmirch(v = verb.communication) asperse, calumniate, defame, denigrate, slander, smear, smirch, sully - 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"
is one way to accuse, charge
Sample sentences:
Somebody ----s somebody
Something ----s somebody

• besmirch(v = verb.contact) smirch - smear so as to make dirty or stained; Array
is one way to smear
Sample sentence:
Somebody ----s something

CIDE DICTIONARY

OXFORD DICTIONARY

THESAURUS

besmirch

attaint, bedarken, bedaub, besmear, besmoke, besmutch, besoil, bespatter, bestain, black, blacken, blackwash, blot, blotch, blur, brand, call names, charcoal, cork, darken, daub, defile, denigrate, dinge, dirty, discolor, ebonize, engage in personalities, heap dirt upon, ink, mark, melanize, muckrake, murk, nigrify, oversmoke, revile, scorch, sear, shade, shadow, singe, slubber, slur, smear, smirch, smoke, smouch, smudge, smut, smutch, soil, soot, spot, stain, stigmatize, sully, taint, tar, tarnish, throw mud at, vilify

For further exploring for "besmirch" in Webster Dictionary Online