Synonyms|6Antonyms|13|Broader|21Narrower|27Related|83
4
lifeless(adjective, feature, characteristic, trait, death)
4
obsolete(adjective, feature, characteristic, detail, trait)
4
superannuated(adjective, feature, characteristic, trait, death)
4
vanished(adjective, feature, characteristic, trait, death)
3
anatomy(noun, science, learning, mastery, proficiency)
3
annihilated(adjective, feature, characteristic, trait, death)
3
cytology(noun, science, learning, mastery, proficiency)
3
deceased(adjective, feature, characteristic, detail, trait)
3
demode(adjective, feature, characteristic, trait, death)
3
endangered animals(expression, species, classification, status)
3
ended(adjective, feature, characteristic, detail)
3
environmental science(expression, feature, science, life)
3
extinct in the wild(expression, species, classification, status)
3
finished(adjective, feature, characteristic, detail)
3
genetics(noun, science, learning, mastery, proficiency)
3
listless(adjective, feature, characteristic, trait)
3
situation(noun, science, learning, mastery, proficiency)
2
biological(noun, adjective, science, learning, mastery)
2
fallen(adjective, feature, characteristic, trait, death)
2
anthropology(noun, science, learning, mastery, proficiency)
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APASmart Define. (1970). extinct species thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/extinct_species/thesaurus/related
ChicagoSmart Define. 1970. "extinct species thesaurus" https://smartdefine.org/extinct_species/thesaurus/related (accessed September 29, 2026).
HarvardSmart Define 1970, extinct species thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/extinct_species/thesaurus/related>.
MLASmart Define. "extinct species thesaurus" 1 January 1970. Web. 29 September 2026. <https://smartdefine.org/extinct_species/thesaurus/related>