| clean(verb, adjective, dirty, soil, purify) | |
| purify(verb, hold, free, clean, dirty) | |
| cleanse(verb, clean, soil, purify) | |
| eco-friendly | |
| distill(verb, pure) | |
| disinfect(verb, clean, pure) | |
| decontaminate | |
| filter | |
| sanctify(verb, clean, purify) | |
| improve(verb, stop, drop, decline, clean) | |
| sterilize(verb, clean, purify) | |
| aerify(hold, dirty) | |
| honor(noun, verb, clean, purify) | |
| refine(verb, purify) | |
| clarify(verb, soil) | |
| bless | |
| hallow | |
| chaste | |
| clear(verb, dull, clean, dirty, purify) | |
| consecrate |
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| APA | Smart Define. (2015). pollute thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/pollute/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "pollute thesaurus" https://smartdefine.org/pollute/thesaurus/antonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, pollute thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/pollute/thesaurus/antonyms>. |
| MLA | Smart Define. "pollute thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/pollute/thesaurus/antonyms> |