pigheaded
US /ˈpɪɡ.hed.ɪd/
UK /ˈpɪɡ.hed.ɪd/

1.
têtu, borné
stubbornly or perversely self-willed
:
•
He's too pigheaded to admit he was wrong.
Il est trop têtu pour admettre qu'il avait tort.
•
Her pigheaded refusal to compromise made negotiations difficult.
Son refus têtu de faire des compromis a rendu les négociations difficiles.