Definitions for overturn
The noun overturn has 2 senses? (no senses from tagged texts)
(the act of upsetting something; "he was badly bruised by the upset of his sled at a high speed")
(an improbable and unexpected victory; "the biggest upset since David beat Goliath")
The verb overturn has 6 senses? (first 3 from tagged texts)
(turn from an upright or normal position; "The big vase overturned"; "The canoe tumped over")
(cause to overturn from an upright or normal position; "The cat knocked over the flower vase"; "the clumsy customer turned over the vase"; "he tumped over his beer")
(rule against; "The Republicans were overruled when the House voted on the bill")
(cause the downfall of; of rulers; "The Czar was overthrown"; "subvert the ruling class")
(cancel officially; "He revoked the ban on smoking"; "lift an embargo"; "vacate a death sentence")
(change radically; "E-mail revolutionized communication in academe")






