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befoul Synonyms
Another word for befoul
Choosing another word for befoul depends on context, so the 14 synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
• verb (Context 1)
To make dirty, filthy, or polluted.
Usage Example
"Industrial runoff continued to foul the river until stricter environmental regulations were enforced."
Strongest
foul
defile
soil
pollute
Strong
sully
contaminate
taint
dirty
begrime
besmirch
• verb (Context 2)
To damage, tarnish, or dishonor (a person's reputation, character, or name).
Usage Example
"He refused to let baseless rumors besmirch the integrity of the research institute."
Strongest
besmirch
sully
tarnish
defile
Strong
taint
stain
smear
dishonor
Opposites of befoul
The opposite of befoul shifts depending on context. Common opposites include:
purify
cleanse
clean
honor
decontaminate
sanitize
exalt
vindicate
• Nearby Words
Cite this Entry
Wordmom. (2026). Synonyms for Befoul. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/befoul