a foul smell or taste is very unpleasant [= disgusting]:
He woke up with a foul taste in his mouth.
a pile of foul-smelling garbage
He put down his mug of foul-tasting coffee.
2 British English
in a very bad temper and likely to get angry:
The argument with his mother left Putt in a foul mood.
Refugees in the camps are short of food and at risk from foul water.
extractor fans to remove foul air from the tunnel
rude and offensive words:
She claimed she had been subjected to abuse and foul language.
foul weather is stormy and windy, with a lot of rain or snow:
weatherespecially British EnglishDN
Always carry foul weather gear when you go out walking.
—foulness noun [uncountable]
➔ by fair means or foulat fair1 (11)
; ➔ fall foul of somebody/somethingat fall1 (15)WORD FOCUS: horrible
taste or smell: nasty, not very nice, revolting, disgusting, foul, unpleasant, gross informal
experience, situation, or feeling: nasty, not very nice, terrible, unpleasant
person: nasty, not very nice, obnoxious, mean American English, unpleasant, objectionable
➔ See also horrible