extermination
noun /ɪkˌstɜːmɪˈneɪʃn/
/ɪkˌstɜːrmɪˈneɪʃn/
[uncountable, countable]- the act of killing all the members of a group of people or animals
- the extermination of rats and other vermin
- The sheer scale of these mass exterminations is horrifying.