obdurate
🇺🇸
/ˈɑːbdərət/
🇬🇧
/ˈɒbdjərət/
adjective
R
stubbornly refusing to change one's opinion or actions
Despite all the evidence, he remained obdurate in his belief that the project would succeed.
証拠が全てあっても、彼はプロジェクトが成功するとの信念を固く持つ。
translation
頑固な