pigheadedness
US /ˈpɪɡˌhed.ɪd.nəs/
UK /ˈpɪɡˌhed.ɪd.nəs/

1.
terquedad, obstinación
stubbornness or obstinacy, especially in a foolish or unreasonable way
:
•
His pigheadedness prevented him from admitting his mistake.
Su terquedad le impidió admitir su error.
•
We couldn't make any progress due to her sheer pigheadedness.
No pudimos avanzar debido a su pura terquedad.