recalcitrant

"They are not changing their mind," Ryan said, referring to Iranian leaders' recalcitrance to curb their program.

Thus the Iranian recalcitrance, and the ensuing cycle of both sides demanding major concessions before offering any reciprocity.

She spelled “recalcitrance,” then “pernicious,” and after a halfhearted debate it was obvious that none of the three had a clue.

The memorandum testifies to the strength of Bruce's hold on the country, and to the recalcitrance of Edward's barons.