English

Definition of scupper verb from the Oxford Advanced Learner's Dictionary

 

scupper

 verb
verb
BrE BrE//ˈskʌpə(r)//
 
; NAmE NAmE//ˈskʌpər//
 
Verb Forms present simple I / you / we / they scupper
BrE BrE//ˈskʌpə(r)//
 
; NAmE NAmE//ˈskʌpər//
 
he / she / it scuppers
BrE BrE//ˈskʌpəz//
 
; NAmE NAmE//ˈskʌpərz//
 
past simple scuppered
BrE BrE//ˈskʌpəd//
 
; NAmE NAmE//ˈskʌpərd//
 
past participle scuppered
BrE BrE//ˈskʌpəd//
 
; NAmE NAmE//ˈskʌpərd//
 
-ing form scuppering
BrE BrE//ˈskʌpərɪŋ//
 
; NAmE NAmE//ˈskʌpərɪŋ//
 
 
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scupper something (British English, informal) to cause somebody/something to fail synonym foil The residents' protests scuppered his plans for developing the land. Their chances of winning were scuppered by injury. Word Origin late 19th cent. (as military slang in the sense ‘kill, especially in an ambush’): of unknown origin.