unnegotiable

May said on Monday she could not commit the government to delivering the outcome of any votes held as parliament might vote for something which was unnegotiable with the EU, or which contradicted her party’s 2017 election promises.

On Monday, May said parliament might vote for an outcome that was unnegotiable with the EU and she could not commit the government to delivering the outcome of any votes but would be “engaging constructively with this process.”

On Monday, May said parliament might vote for an outcome that was unnegotiable with the EU and she could not commit the government to delivering the outcome of any votes but would be “engaging constructively with this process.”

Mr Blair said Theresa May and Philip Hammond were trying to negotiate the "fundamentally unnegotiable" by leaving the EU, while also trying to maintain preferential treatment in the EU's common market.

A few moments' grace to deliver us from a situation that seems unnegotiable.