scupper
verb /ˈskʌpə(r)/
  /ˈskʌpər/
 (British English, informal)Verb Forms
| present simple I / you / we / they scupper |  /ˈskʌpə(r)/  /ˈskʌpər/ | 
| he / she / it scuppers |  /ˈskʌpəz/  /ˈskʌpərz/ | 
| past simple scuppered |  /ˈskʌpəd/  /ˈskʌpərd/ | 
| past participle scuppered |  /ˈskʌpəd/  /ˈskʌpərd/ | 
| -ing form scuppering |  /ˈskʌpərɪŋ/  /ˈskʌpərɪŋ/ | 
- scupper something 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.
 Oxford Collocations DictionaryScupper is used with these nouns as the object:- chance
- deal
- plan
- …
 Word Originlate 19th cent. (as military slang in the sense ‘kill, especially in an ambush’): of unknown origin.