possible profanity
23
cleanliness(noun, sterility)
15
sanctuary(noun, blasphemy, desecration, defilement, sacrilege)
14
purification(noun, sterility, dirtying)
12
decontamination
9
cleanness
5
hygiene
5
purity
5
pureness
3
removal
2
catharsis
2
cleansing
2
neatness
2
sanitization
2
clarity
2
antidote
1
refinement(noun, corruption)
1
sanctification
1
purgation
1
spotlessness
1
sanitation
<123>
11 years ago|2.5k views|share |citing 
APASmart Define. (2015). pollution thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/pollution/thesaurus/antonyms
ChicagoSmart Define. 2015. "pollution thesaurus" https://smartdefine.org/pollution/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2015, pollution thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/pollution/thesaurus/antonyms>.
MLASmart Define. "pollution thesaurus" 4 May 2015. Web. 23 September 2026. <https://smartdefine.org/pollution/thesaurus/antonyms>