30 entries under adjective topic. ×

9
environmentally unfriendly(expression, nature, harm, pollution)
7
eco-unfriendly(environment, harm, pollution)
7
environmentally harmful(expression, environment, harm, pollution)
7
unsustainable(nature, damage, harm)
6
environmentally hazardous(expression, environment, harm, pollution)
6
environmentally irresponsible(expression, environment, harm, pollution)
6
eco-destructive(environment, harm, pollution)
5
pollute environment(expression, nature, harm, pollution)
5
polluter(noun, nature, harm, pollution)
4
contaminate environment(expression, nature, harm, pollution)
4
pollute(verb, nature, harm, pollution)
4
polluting(nature, harm, pollution)
4
pollutive(nature, harm, pollution)
3
contaminating(nature, harm, pollution)
3
contaminative(nature, harm, pollution)
3
mudding(nature, harm, pollution)
2
baleful(damage, harm, injury)
2
damaging(damage, harm, injury)
2
dangerous(damage, harm, injury)
2
deleterious(damage, harm, injury)
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APASmart Define. (2015). eco-friendly thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/eco-friendly/thesaurus/antonyms
ChicagoSmart Define. 2015. "eco-friendly thesaurus" https://smartdefine.org/eco-friendly/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2015, eco-friendly thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/eco-friendly/thesaurus/antonyms>.
MLASmart Define. "eco-friendly thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/eco-friendly/thesaurus/antonyms>