›to kill all the animals or people in a particular place or of a particular type: Once cockroaches get into a building, it's very difficult to exterminate them.Millions of Jewish people were exterminated in concentration camps in the Second World War.KillingMurder and attempted murderextermination
/ɪkˌstɜː.mɪˈneɪ.ʃən//-ˌstɝː-/noun[U]›International measures have been taken to prevent the extermination of the whale (= all of them being killed).KillingMurder and attempted murderexterminator
/-neɪ.tər//-neɪ.t̬ɚ/noun[C]KillingMurder and attempted murder