Crossword Dictionary

[n] an improbable and unexpected victory; "the biggest upset since David beat Goliath"
[n] the act of upsetting something; "he was badly bruised by the upset of his sled at a high speed"
[v] change radically; "E-mail revolutionized communication in academe"
[v] rule against; "The Republicans were overruled when the House voted on the bill"
[v] annul by recalling or rescinding; "He revoked the ban on smoking"; "lift an embargo"; "vacate a death sentence"
[v] cause the downfall of; of rulers; "The Czar was overthrown"; "subvert the ruling class"
[v] turn from an upright or normal position; "The big vase overturned"
[v] cause to overturn from an upright or normal position; "The cat knocked over the flower vase"; "the clumsy customer turned over the vase"