8 entries under lethality topic. ×

20
extinction(noun, death, demise, annihilation, extermination)
13
demise(noun, end, finish, extinction, destruction)
11
fatality(noun, end, finish, extinction, destruction)
10
decease(noun, end, finish, extinction, destruction)
8
mortality(noun, death, humanity)
6
deathrate(noun, extinction, demise, deadliness)
5
mortalities(noun, extinction, demise, deadliness)
3
deadliness(noun, extinction, demise)
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APASmart Define. (2016). survival thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/survival/thesaurus/antonyms
ChicagoSmart Define. 2016. "survival thesaurus" https://smartdefine.org/survival/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2016, survival thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/survival/thesaurus/antonyms>.
MLASmart Define. "survival thesaurus" 18 March 2016. Web. 26 September 2026. <https://smartdefine.org/survival/thesaurus/antonyms>