"exterminate" in the verb sense
1. exterminate, kill off
kill en masse kill on a large scale kill many
"Hitler wanted to exterminate the Jews, Gypsies, Communists, and homosexuals of Europe"
2. uproot, eradicate, extirpate, root out, exterminate
destroy completely, as if down to the roots
"the vestiges of political democracy were soon uprooted"
"root out corruption"
Source: WordNet® (An amazing lexical database of English)
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