SMUT Meaning of SMUT in English verb 1.Synonyms: stain 1, bestain, blot, discolor 2.Synonyms: taint 1, besmirch, defile, dirty, discolor, smear, smudge, smutch, soil, stain Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003