6
ruin(noun, end, decline, collapse, failure)
5
cancellation(noun, stop, end, cease, inaction)
5
closure(noun, stop, end, cease, termination)
5
decease(noun, act, end, release, finish)
5
discontinuation(noun, stop, end, overthrow, cease)
5
doom(noun, end, destruction, downfall, death)
5
dying(noun, decline, ruin, collapse, loss)
5
ending(noun, end, release, ruin, finish)
5
extinguishment(noun, make, help, crimes, inexistence)
5
holocaust(noun, slaughter, destruction, catastrophe, devastation)
4
break(noun, verb, stop, end, cease)
4
ceasing(noun, stop, end, cease, inaction)
4
cessation(noun, end, release, ruin, finish)
4
cut-off(noun, stop, end, cease, inaction)
4
loss(noun, end, release, ruin, finish)
4
murder(slaughter, destruction, devastation, obliteration, annihilation)
4
oblivion(noun, end, release, loss, blank)
4
parting(noun, end, release, ruin, finish)
4
putting out
4
release(noun, end, ruin, finish, overthrow)
11 years ago|7.1k views|share |citing 
APASmart Define. (2015). extinction thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/extinction/thesaurus/synonyms
ChicagoSmart Define. 2015. "extinction thesaurus" https://smartdefine.org/extinction/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, extinction thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/extinction/thesaurus/synonyms>.
MLASmart Define. "extinction thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/extinction/thesaurus/synonyms>