Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb befoul

1 sense of befoul

Sense 1
foul, befoul, defile, maculate -- (spot, stain, or pollute; "The townspeople defiled the river by emptying raw sewage into it")
       => dishonor, disgrace, dishonour, attaint, shame -- (bring shame or dishonor upon; "he dishonored his family by committing a serious crime")

Antonyms of adj befouled

1 sense of befouled

Sense 1
befouled, fouled -- (made dirty or foul; "a building befouled with soot"; "breathing air fouled and darkened with factory soot")

INDIRECT (VIA dirty) -> clean -- (free from dirt or impurities; or having clean habits; "children with clean shining faces"; "clean white shirts"; "clean dishes"; "a spotlessly clean house"; "cats are clean animals")

Similarity of adj befouled

1 sense of befouled

Sense 1
befouled, fouled -- (made dirty or foul; "a building befouled with soot"; "breathing air fouled and darkened with factory soot")
       => dirty (vs. clean), soiled, unclean -- (soiled or likely to soil with dirt or grime; "dirty unswept sidewalks"; "a child in dirty overalls"; "dirty slums"; "piles of dirty dishes"; "put his dirty feet on the clean sheet"; "wore an unclean shirt"; "mining is a dirty job"; "Cinderella did the dirty work while her sisters preened themselves")

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