foul Definition in the Cambridge English Dictionary
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Definition of “foul” - English Dictionary

Definition of "foul" - American English Dictionary

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fouladjective [-er/-est only]

 us   /fɑʊl/

foul adjective [-er/-est only] (UNPLEASANT)

extremelyunpleasant: a foul ​odor a foul ​mood They were using foul ​language (= ​rude or ​offensivelanguage).

foulnoun [C]

 us   /fɑʊl/

foul noun [C] (SPORTS)

(esp. in basketball ) an ​act that is against the ​rules of a ​sport, sometimes causing ​injury to another ​player, or a ​punishment given to a ​player for ​breaking the ​rules: an ​intentional foul a ​flagrant foul In ​baseball, foul also ​means foul ball

foulverb

 us   /fɑʊl/

foul verb (MAKE DIRTY)

[T] to ​pollute something or make it ​dirty: The ​oilslick fouled the California ​coastline.

foul verb (SPORTS)

[I/T] to ​commit a foul against another ​player: [T] Sahlstrom was fouled after the ​shot.
Phrasal verbs
(Definition of foul from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "foul" - British English Dictionary

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fouladjective

uk   us   /faʊl/
C1 extremelyunpleasant: Those ​toiletssmell foul! I've had a foul ​day at ​work. Why are you in such a foul ​mood this ​morning? What foul ​weather!C1 Foul ​speech or other ​language is ​offensive, ​rude, or ​shocking: There's too much foul language on TV these ​days.

foulnoun [C]

uk   us   /faʊl/
C2 an ​act that is against the ​rules of a ​sport: He was ​sent off for a foul on the ​Frenchcaptain. in ​baseball, a ​ball that has been ​hitoutside the ​playingarea

foulverb

uk   us   /faʊl/

foul verb (SPORT)

[I or T] to do something against the ​rules of a ​sport [I or T] in ​baseball, to ​hit a ​balloutside the ​playingarea

foul verb (MAKE DIRTY)

[T] formal to ​spoil or ​damage something by making it ​dirty: The ​oilspill fouled the ​river and ​destroyedhabitats.
Phrasal verbs
(Definition of foul from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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