exterminate

/ɪkˈstɜːrmɪneɪt/
verb
  1. To destroy completely; to kill all of a group of living things, especially pests or unwanted organisms.
    • Farmers used traps to exterminate the rats that were eating their crops.
    • The company was hired to exterminate the cockroaches in the apartment building.
    • Efforts to exterminate the mosquito population helped reduce the spread of malaria.
  2. To put an end to something completely; to eliminate an idea, problem, or practice.
    • The new policy aims to exterminate corruption within the government.
    • We need to exterminate the myth that all spiders are dangerous.
    • The teacher worked hard to exterminate bullying from the classroom.