extinctor
done for
undone
ruined
sunk
washed-up
die off
die out
extinctic
semiextinct
semiextinction
extinction event
end-Triassic mass extinction
extinction level event
existential
extinctively
extinctionist
imperiled
endangered
extinctual
big five
expiration
extinctness
de-extinctioned
didine
apocalyptical
go out
nonextinction
sleeping language
threatened species
End-Permian Extinction
stabilomorphism
quenching
apocalyptism
coextinction
peri-apocalyptic
end-Cretaceous
Great Dying
Permian-Triassic mass extinction
eco-apocalypse
endangered species
pralaya
dinocerate
existential risk
mylodontid
insectageddon
crash
extinct
extinguish
necrofauna