eradicate

Synonyms: abate abolish annihilate blot out demolish deracinate do away with efface eliminate erase expunge exterminate extinguish extirpate liquidate mow down obliterate off purge raze root out rub out scratch scrub shoot down squash stamp out take out torpedo total trash unroot uproot wash out waste weed out wipe out

Antonyms: aid assist bear create establish fix help institute plant