Synonyms of scupper in English:

scupper


See definition of scupper

verb

1‘the captain decided to scupper the ship’

SYNONYMS
sink, scuttle, submerge, send to the bottom, open the seacocks in
ANTONYMS

float, raise

2‘he denied trying to scupper the agreement’

SYNONYMS
ruin, wreck, destroy, devastate, wreak havoc on, damage, spoil, mar, injure, blast, blight, smash, shatter, dash, torpedo, scotch, mess up
sabotage, poison
informal louse up, screw up, foul up, put the kibosh on, banjax, do for, blow a hole in, nix, queer
British informal cock up, dish
Australian informal euchre, cruel
vulgar slang fuck up
archaic bring to naught
ANTONYMS

further, promote