exterminate/ɛkˈstəː.mɪ.neɪt/EtymologyBorrowed from Latin exterminātus, perfect passive participle of exterminō (see -ate (verb-forming suffix)), from ex- (“thoroughly”) + terminō (“to finish, close, end”), from terminus (“limit, end”) + -ō (verb-forming suffix).exterminate means to kill or otherwise permanently eliminate all of (a population, often of pests or undesirables), usually intentionally. Lexicurio rates it Distinctive — a strength score of 69 out of 100.verbTo kill or otherwise permanently eliminate all of (a population, often of pests or undesirables), usually intentionally.“We'll use poison to exterminate the rats.”To bring a definite end to; to finish completely.“The public school failed to exterminate truancy.”