obstinacy
noun/ˈɒbstɪnəsi/
/ˈɑːbstɪnəsi/
[uncountable] (often disapproving)- the attitude of somebody who refuses to change their opinions, way of behaving, etc. when other people try to persuade them to; behaviour that shows this synonym stubbornness
- an act of sheer obstinacy
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obstinacy