obstinate
US /ˈɑːb.stə.nət/
UK /ˈɑːb.stə.nət/

1.
obstiné, têtu
stubbornly refusing to change one's opinion or chosen course of action, despite attempts to persuade one to do so
:
•
He was obstinate in his refusal to admit he was wrong.
Il était obstiné dans son refus d'admettre qu'il avait tort.
•
The child was obstinate and refused to eat his vegetables.
L'enfant était obstiné et refusait de manger ses légumes.