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

1.
obstinado, terco
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.
Fue obstinado en su negativa a admitir que estaba equivocado.
•
The child was obstinate and refused to eat his vegetables.
El niño era obstinado y se negaba a comer sus verduras.