Bedeutung von “foul” — Learner’s Dictionary

foul

verb us uk /faʊl/
DIRTY [ T ]

to make something very dirty:

The beaches had been fouled by dogs.
SPORT [ I, T ]

to do something that is against the rules in a sport:

He was fouled as he was about to shoot at goal.

See also

(Definition von “foul verb” aus dem Cambridge Learner's Dictionary © Cambridge University Press)