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

1.
frustrato, scoraggiato
feeling annoyed or less confident because you cannot achieve what you want
:
•
I'm so frustrated with this slow internet connection.
Sono così frustrato da questa connessione internet lenta.
•
She felt frustrated by the lack of progress.
Si sentiva frustrata dalla mancanza di progressi.