50 entries under adjective topic. ×

8
clean(dull, dark, dirty, uncertain)
5
fresh(calm, dull, soft)
5
pure(obscure, clean, dark, false)
5
sanitary(clean, dirty)
4
purified
4
refined(rough, harsh)
3
unpolluted
2
antiseptic(clean, uncontaminated)
2
neat
2
spotless
2
sterile
2
strong
2
unadulterated
2
unalloyed
2
unmixed
2
untainted
1
unsoiled
1
absolute
1
chaste
1
good
<123>
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APASmart Define. (2015). polluted thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/polluted/thesaurus/antonyms
ChicagoSmart Define. 2015. "polluted thesaurus" https://smartdefine.org/polluted/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2015, polluted thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/polluted/thesaurus/antonyms>.
MLASmart Define. "polluted thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/polluted/thesaurus/antonyms>