noun
1. an improbable and unexpected victory
e.g. the biggest upset since David beat Goliath
Synonym: upset
2. the act of upsetting something
e.g. he was badly bruised by the upset of his sled at a high speed
Synonym: upsetturnover
verb
1. change radically
e.g. E-mail revolutionized communication in academe
Synonym: revolutionizerevolutionise
2. rule against
e.g. The Republicans were overruled when the House voted on the bill
Synonym: overruleoverrideoverthrowreverse
3. cancel officially
e.g. He revoked the ban on smoking
lift an embargo
vacate a death sentence
Synonym: revokeannulliftcountermandreverserepealrescindvacate
4. turn from an upright or normal position
e.g. The big vase overturned
The canoe tumped over
Synonym: turn overtip overtump over
5. cause to overturn from an upright or normal position
e.g. The cat knocked over the flower vase
the clumsy customer turned over the vase
he tumped over his beer
Synonym: tip overturn overupsetknock overbowl overtump over
6. cause the downfall of
of rulers
e.g. The Czar was overthrown
subvert the ruling class
Synonym: overthrowsubvertbring down