obdurate
adjective /ˈɒbdjərət/
/ˈɑːbdərət/
(formal, usually disapproving)- refusing to change your mind or your actions in any way synonym stubborn
- an obdurate attitude
- to remain obdurate
- Some members of the committee are likely to prove obdurate on this matter.
Word Originlate Middle English (originally in the sense ‘hardened in sin, unrepentant’): from Latin obduratus, past participle of obdurare, from ob- ‘in opposition’ + durare ‘harden’ (from durus ‘hard’).