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Use "hardheadedness" in a sentence
"You biased view or hardheadedness is no more a judgement than mine."
"The tie-backs on +Art are purely ornamental, and in good taste, but they do little to blunt the hardheadedness of the lobby windows, which are painted in large block letters with the words "Chelsea is the birthplace of creative modern art and the home of bad behavior.""
"The phrase is a synonym for Bush's stubbornness, and McAdams understands it in its formal clinical dimensions, which allows him to escape confronting the potential ideological sources of Bush's hardheadedness or judging whether Bush's stubbornness was right or wrong."