exterminate
Concise Oxford English Dictionary © 2008 Oxford University Press:
exterminate /ɪkˈstəːmɪneɪt, ɛk-/
▶verb destroy completely; eradicate.
– derivatives
extermination noun,
exterminator noun,
exterminatory /-nət(ə)ri/ adjective.
extermination noun,
exterminator noun,
exterminatory /-nət(ə)ri/ adjective.
– origin ME (in the sense ‘drive out’): from L. exterminat-, exterminare, from ex- ‘out’ + terminus ‘boundary’.
'exterminate' also found in these Oxford entries:

