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

1.
teimosia, obstinação
stubbornness or obstinacy, especially in a foolish or unreasonable way
:
•
His pigheadedness prevented him from admitting his mistake.
Sua teimosia o impediu de admitir seu erro.
•
We couldn't make any progress due to her sheer pigheadedness.
Não conseguimos fazer nenhum progresso devido à sua pura teimosia.