undiplomatic

That undiplomatic language was a rare media misstep and contrasts with No 10's expectation that Mandelson will be a far safer pair of hands with journalists than his predecessor, outgoing ambassador Dame Karen Pierce.

Prof Moe says that Trump's "crude and undiplomatic statement" shows that the US under Trump eyes both security and economic interests in the island, including its "rich mineral resources".

A former Greek foreign minister known for his undiplomatic outbursts and on whose watch Greece suffered one of its most embarrassing foreign policy debacles in 1999.

The European Commission president issued a decidedly undiplomatic warning that Europe had “the tools” to deal with any member, including Italy, if things went “in a difficult direction.”

And outside the negotiating room, Russian diplomats were using increasingly undiplomatic language.