extinctive

English

Etymology

From extinct +‎ -ive.

Adjective

extinctive (comparative more extinctive, superlative most extinctive)

1. Tending or serving to extinguish, or make extinct.
   • 1958, Joseph Wolpe, Psychotherapy by Reciprocal Inhibition‎^[1]:

     Even with mild degrees of anxiety the ineffectiveness of the extinctive mechanism is striking.