Foul
Foul verb - To make dirty.
Make impure and foul are semantically related In some cases you can use "Make impure" instead a verb "Foul".
Make impure
Foul and make impure are semantically related in cause to be soiled topic. Sometimes you can use "Foul" instead a verb phrase "Make impure".
Cite this Source
Make impure and Foul. (2016). Retrieved 2026, August 18, from https://thesaurus.plus/related/foul/make_impure
Foul & Make impure. N.p., 2016. Web. 18 Aug. 2026. <https://thesaurus.plus/related/foul/make_impure>.
Make impure or Foul. 2016. Accessed August 18, 2026. https://thesaurus.plus/related/foul/make_impure.
Google Ngram Viewer shows how "foul" and "make impure" have occurred on timeline