frustrated
US /ˈfrʌs.treɪ.t̬ɪd/
UK /ˈfrʌs.treɪ.t̬ɪd/

1.
frustrado, desanimado
feeling annoyed or less confident because you cannot achieve what you want
:
•
I'm so frustrated with this slow internet connection.
Estoy tan frustrado con esta conexión a internet lenta.
•
She felt frustrated by the lack of progress.
Se sintió frustrada por la falta de progreso.