0 past simple and past participle of scupper
1 to sink your own ship on purpose
2 to cause something such as a plan or an opportunity to fail:
They hope that as a result of failure to agree with us the other arrangements will be "scuppered".
Five perfectly good cruisers are to be taken out and scuppered in the open sea.
If there is a change in that consultative process the legislative programme for them will be scuppered.
If that person is not scuppered in that way, he or she will have a chance of mounting a proper appeal.
The whole plan has been scuppered by their dithering over the election.
That was a signal that the admiral had finally scuppered his own flagship.
The co-operation between both sides of industry is being scuppered.
If she does not, the strategy for community care will be scuppered.