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

1.
obstinado, teimoso
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.
Ele foi obstinado em sua recusa em admitir que estava errado.
•
The child was obstinate and refused to eat his vegetables.
A criança era obstinada e se recusava a comer seus vegetais.