8 entries under pollution topic. ×

4
soil(noun, verb, state, act)
3
foul(verb, act, dirt)
3
muddy(verb, act, dirt)
3
smudge(verb, act, dirt)
3
stain(noun, verb, act, dirt)
2
pollute(verb, act, dirt)
2
sully(verb, act, dirt)
2
tarnish(verb, act, dirt)
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APASmart Define. (2015). lather thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/lather/thesaurus/antonyms
ChicagoSmart Define. 2015. "lather thesaurus" https://smartdefine.org/lather/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2015, lather thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/lather/thesaurus/antonyms>.
MLASmart Define. "lather thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/lather/thesaurus/antonyms>