stubbornness
US /ˈstʌb.ɚn.nəs/
UK /ˈstʌb.ɚn.nəs/

1.
entêtement, obstination
the quality or state of being unchangeably fixed in opinion or purpose
:
•
His stubbornness prevented him from admitting his mistake.
Son entêtement l'a empêché d'admettre son erreur.
•
Despite the evidence, her stubbornness kept her from changing her mind.
Malgré les preuves, son entêtement l'a empêchée de changer d'avis.