Bedeutung von “foul” — Learner’s Dictionary

foul

adjective us uk /faʊl/
DIRTY

very dirty, or with an unpleasant smell:

the foul smell of rotting fish
BAD

very bad or unpleasant:

foul weather
She's in a foul mood.
foul language/words

very rude and offensive words

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