8 entries under ecology topic. ×

5
biodegradable(adjective, nature, environment)
5
environmental(adjective, nature, environment)
3
disposable(adjective, nature, environment)
3
perishable(adjective, nature, environment)
3
temporary(adjective, nature, environment)
2
decomposable(adjective, nature, environment)
2
decomposing(adjective, nature, environment)
2
degradable(adjective, nature, environment)
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APASmart Define. (1970). cigarette filter thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/cigarette_filter/thesaurus/antonyms
ChicagoSmart Define. 1970. "cigarette filter thesaurus" https://smartdefine.org/cigarette_filter/thesaurus/antonyms (accessed September 29, 2026).
HarvardSmart Define 1970, cigarette filter thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/cigarette_filter/thesaurus/antonyms>.
MLASmart Define. "cigarette filter thesaurus" 1 January 1970. Web. 29 September 2026. <https://smartdefine.org/cigarette_filter/thesaurus/antonyms>