mulishness

/ˈmjuːlɪʃnəs/
noun
  1. The quality or state of being stubborn; obstinacy.
    • The negotiations failed because of the mulishness of both sides.
    • Her mulishness was both a strength and a weakness—she never gave up, but she also never listened.
    • His mulishness frustrated the entire team, as he refused to consider any other ideas.
Antonyms
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