Thesaurus

foul

verb

Synonyms and Antonyms of FOUL

1
to make dirty <the mechanic fouled the bath towels with axle grease>
Antonyms clean, cleanse
2
to make unfit for use by the addition of something harmful or undesirable <industrial pollution fouling the water supply>
Near Antonyms clarify, clean, cleanse, clear, distill (also distil), purge; filter; disinfect, sanitize, sterilize
4
to go through decomposition <unless you want to smell the organic refuse as it fouls, locate the compost heap away from the house>

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