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

1.
frustrado, desapontado
feeling annoyed or less confident because you cannot achieve what you want
:
•
I'm so frustrated with this slow internet connection.
Estou tão frustrado com esta conexão lenta à internet.
•
She felt frustrated by the lack of progress.
Ela se sentiu frustrada pela falta de progresso.