topple UK /ˈtɒpl̩/US /ˈtɑpl̩/verb 4noun 2forms 3phrases 1 verb4 •To push or throw over.The massed crowds toppled the statue of the former dictator. •To overturn. •To totter and fall, or to lean as if about to do so.The pile of pennies began to topple. •(figurative) To overthrow something. noun2 •(informal) A fall (an instance of falling over). •A cascade of dominoes falling, such that each fall causes the next domino to topple. formstoppled · toppling · topples Phrases with topple topple overTo fall over (to fall from an upright or standing position to a horizontal or prone position).