Also spelled fahl and faâl
Meanings
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1
adj
Very unpleasant to smell, taste, or touch; disgusting.
A foul smell came from the rubbish bin.
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2
adj
Rude, offensive, or obscene.
He shouted a series of foul words at the referee.
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3
adj
Dirty; covered with unclean matter.
This cloth is too foul to use as a duster.
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4
verb
To make something dirty or polluted.
The factory was fined for fouling the river.
Thesaurus
Etymology
Inherited from Middle English ffoul, foul, foull, fowel, fowle, fuyle, voul, vul, from Old English fūl (“foul, dirty, unclean, impure, vile, corrupt, rotten, stinking, guilty”), from Proto-West Germanic *fūl, from Proto-Germanic *fūlaz (“foul, rotten”), from Proto-Indo-European *puH- (“foul, rotten”). Cognates Cognate with Central Franconian fuul (“putrid, rotten; lazy, workshy”), Cimbrian baul, vaul (“putrid, rotten”), Dutch vuil (“dirty, foul; lewd, obscene; dishonorable; illegal”), German faul (“foul, putrid, rotten; lazy”), Yiddish פֿױל (foyl, “putrid; lazy”), Danish ful (“nasty, ugly”), I…