resentful
US /rɪˈzent.fəl/
UK /rɪˈzent.fəl/

1.
resentido, amargado, indignado
feeling or expressing bitterness or indignation at having been treated unfairly
:
•
She felt resentful after being passed over for the promotion.
Se sintió resentida después de ser ignorada para el ascenso.
•
He was deeply resentful of his brother's success.
Estaba profundamente resentido por el éxito de su hermano.