exterminate

ɪkˈstəːmɪneɪt
ɛkˈstəːmɪneɪt

verb

destroy completely.

after exterminating the entire population, the soldiers set fire to the buildings

kill,put to death,do to death,do away with,put an end to,finish off,take the life of,end the life of,get rid of,dispatch,slaughter,butcher,massacre,wipe out,mow down,shoot down,cut down,put to the sword,send to the gas chambers,ethnically cleanse,destroy,eliminate,eradicate,annihilate,extirpate,murder,assassinate,execute,bump off,knock off,polish off,do in,top,take out,snuff out,erase,croak,stiff,zap,blow away,blow someone’s brains out,give someone the works,ice,off,rub out,waste,whack,smoke,scrag,slay