extinctual

English

Etymology

From extinct +‎ -ual.

Adjective

extinctual (comparative more extinctual, superlative most extinctual)

1. Of, related to, or resembling extinction.
   • 1968, Free Lance Press, The Free Lance, Volume 4

     I mourn because I would not kill, knowing killing is suffering a snarling, extinctual end; and I mourn that something weak, nameless — inside me — allows this lie of color life in my blood and bone.