Synonyms|6Antonyms|13|Broader|21Narrower|27Related|83
2
least concern(expression, species, classification, status)
2
microbiology(noun, science, learning, mastery, proficiency)
2
near threatened(expression, species, classification, status)
2
outdated(adjective, feature, characteristic, detail, trait)
2
outmoded(adjective, feature, characteristic, detail, trait)
2
past(adjective, feature, characteristic, detail)
2
perished(adjective, feature, characteristic, detail, trait)
2
sluggish(adjective, feature, characteristic, trait)
2
spiritless(adjective, feature, characteristic, trait)
2
torpid(adjective, feature, characteristic, trait)
2
void(adjective, feature, characteristic, detail)
2
vulnerable animals(expression, species, classification, status)
1
fatal(adjective, feature, characteristic, trait, death)
1
not evaluated(expression, species, classification, status)
1
bacteriology(noun, science, learning, mastery, proficiency)
1
life science(expression, feature, science, life)
1
chemistry(noun, science, learning, mastery, proficiency)
1
old(adjective, feature, characteristic, trait, death)
1
overdue(adjective, feature, characteristic, detail)
1
parted(adjective, feature, characteristic, trait, death)
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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>