
1) Annul 2) Cancel officially 3) Capsize 4) Cause the downfall of 5) Change radically 6) Defeat 7) Execute a coup 8) Flip 9) Get upended, open and run out 10) Invalidate 11) Inversion 12) Keel over 13) Overthrow 14) Quash 15) Render null and void 16) Repeal 17) Rescind 18) Reverse 19) Reverse rescind
Found on
https://www.crosswordclues.com/clue/overturn

1) Capsize 2) Disrupt 3) Flip 4) Negate 5) Nullify 6) Overrule 7) Rescind 8) Reverse 9) Revolutionize 10) Subvert 11) Tip 12) Topple 13) Upend 14) Upset
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https://www.crosswordclues.com/clue/overturn

- the act of upsetting something
- an improbable and unexpected victory
Found on
[horse] Overturn (foaled 22 April 2004) is an Irish-bred thoroughbred racehorse trained by Donald McCain, Jr.. He has amassed over £600,000 in prize money, and has won major races such as the 2011 Fighting Fifth Hurdle. He is the first ever horse to complete the double of winning Newcastle Racecourse`s major flat race and major National Hu...
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http://en.wikipedia.org/wiki/Overturn_(horse)

• (n.) The act off overturning, or the state of being overturned or subverted; overthrow; as, an overturn of parties. • (v. t.) To subvert; to destroy; to overthrow. • (v. t.) To overpower; to conquer. • (v. t.) To turn or throw from a basis, foundation, or position; to overset; as, to overturn a carriage or a building.Overturn:...
Found on
http://thinkexist.com/dictionary/meaning/overturn/
O'ver·turn` noun The act off overturning, or the state of being overturned or subverted; overthrow; as, an
overturn of parties.
Found on
http://www.encyclo.co.uk/webster/O/58
O`ver·turn' transitive verb [
imperfect & past participle Overturned ;
present participle & verbal noun Overturning .]
1. To turn or throw from a basis, foundation, or position; to overset; as, to
overturn a carriage or a ...
Found on
http://www.encyclo.co.uk/webster/O/58

More than the normal amount of turn. If the spin turn takes you to the wall, an overturn might take you to reverse and wall.
Found on
http://www.rounddancing.net/dance/glossary.html

[
n] - an improbable and unexpected victory 2. [v] - cause to overturn from an upright or normal position 3. [v] - turn from an upright or normal position
Found on
http://www.webdictionary.co.uk/definition.php?query=overturn

One complete cycle of top to bottom mixing of previously stratified water masses. This phenomenon may occur in spring or fall, or after storms, and results in uniformity of chemical and physical properties of water at all depths.
Found on
https://www.encyclo.co.uk/local/20094
noun an improbable and unexpected victory; `the biggest upset since David beat Goliath`
Found on
https://www.encyclo.co.uk/local/20974

to destroy the power of; overthrow; defeat; vanquish. · to turn over on its side, face, or back; upset: to overturn a vase.
Found on
https://www.infoplease.com/dictionary/overturn
No exact match found.