v. 1 turn over, knock down or over, tip over, capsize, up-end, upset, turn turtle, turn upside down, turn topsy-turvy, invert The tanks overturned when they tried to drive past the huge concrete barriers On his first day as a waiter, he overturned the soup in a guest's lap. 2 bring down, overthrow, throw over, upset, depose, unthrone, unseat, oust, eject The dictatorship was overturned and the country returned to being a democratic republic
n. 3 overturning, overthrow, unseating, ousting, toppling, fall, destruction, ruin, defeat, US ouster: Could the overturn of the present regime be effected without force of arms?