exterminate

verbs

kill en masse; kill on a large scale; kill many
"Hitler wanted to exterminate the Jews, Gypsies, Communists, and homosexuals of Europe"
exterminate, kill off
is derived from
exterminator
destroy completely, as if down to the roots
"the vestiges of political democracy were soon uprooted" "root out corruption"
eradicate, exterminate, extirpate, root out, uproot