1
as in blackens
to make dirty
unsightly mud and slush befouls the family car every winter
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in pollutes
to make unfit for use by the addition of something harmful or undesirable
the enemy had befouled the water in all of the area's wells with animal carcasses
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for befouls
pollutes
Verb
-
Farmers overapplying them in their fields can cause nitrogen-laden runoff that pollutes water and the air.—
Bloomberg,
Mercury News,
10 Sep. 2025 -
Moreover, the use of harsh chemicals pollutes water and soil during lithium extraction.—
Mrigakshi Dixit,
Interesting Engineering,
12 Mar. 2025
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Cite this Entry
“Befouls.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/befouls. Accessed 15 Sep. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share