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scupper

1 American  
[skuhp-er] / ˈskʌp ər /

noun

  1. Nautical. a drain at the edge of a deck exposed to the weather, for allowing accumulated water to drain away into the sea or into the bilges.

  2. a drain, closed by one or two flaps, for allowing water from the sprinkler system of a factory or the like to run off a floor of the building to the exterior.

  3. any opening in the side of a building, as in a parapet, for draining off rainwater.


scupper 2 American  
[skuhp-er] / ˈskʌp ər /

verb (used with object)

  1. Informal. to prevent from happening or succeeding; ruin; wreck.

    The snowstorm scuppered our plans for the evening.

  2. British. to sink (a vessel) deliberately; scuttle.


scupper 1 British  
/ ˈskʌpə /

noun

  1. nautical a drain or spout allowing water on the deck of a vessel to flow overboard

  2. an opening in the side of a building for draining off water

  3. a drain in a factory floor for running off the water from a sprinkler system

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

scupper 2 British  
/ ˈskʌpə /

verb

  1. slang to overwhelm, ruin, or disable

  2. to sink (one's ship) deliberately

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of scupper1

First recorded in 1475–85; Middle English skopor, scopper; further origin uncertain

Origin of scupper2

First recorded in 1880–85; originally British military slang “to massacre, slaughter”; further origin uncertain

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Replying to a post on X speculating that West Ham's alleged stance could scupper London's bid, Olympic 800m champion Hodgkinson saw the funny side.

From BBC

He later became increasingly visible in the diplomatic arena, travelling to Gulf states such as Oman and Qatar as Tehran cautiously engaged in nuclear negotiations that were ultimately scuppered by the war.

From Barron's

The 277-metre-long Arctic Metagaz has been drifting without a crew since a series of explosions scuppered the vessel off Libya on March 3.

From Barron's

But like many well-intended New Year's resolutions, this one is at risk of being scuppered before spring gets going.

From BBC

Costs have scuppered that dream to date, but perhaps the opportunity of a fairytale ending for an Irish icon will be bring one last dream to fruition.

From BBC