obstinacy
🇺🇸
/ˈɑːbstɪnəsi/
🇬🇧
/ˈɒbstɪnəsi/
when someone keeps doing or thinking something in the same way, and does not change even if there are good reasons to do so
His obstinacy made it difficult for us to convince him to take a different route.
그의 완고함이 우리가 그를 설득해 다른 경로를 선택하게 하는 것을 어렵게 만들었습니다.