The Collaborative International Dictionary
Exterminatory
Exterminatory \Ex*ter"mi*na*to*ry\, a.
Of or pertaining to extermination; tending to exterminate.
``Exterminatory war.''
--Burke.
Wiktionary
exterminatory
a. relating to or marked by extermination
Usage examples of "exterminatory".
No one knew better than Starfleet people how exterminatory their own weapons could be.