He took ten years to come to terms with a very obdurate and highly original painter.

ECONOMIST: Mercenary and magical

Such would actually make things worse for the countries that imposed them against the US. For the US would be obdurate and not change a thing.

FORBES: Three responses to Noahpinion

For all their possession and creative intent, Arsenal were continually frustrated by the assistant referee's flag, which denied them on three occasions as they attempted to unlock a thoroughly obdurate and well-drilled Hull defence.

BBC: Arsenal 1-2 Hull