frus‧trate / frʌˈstreɪt $ ˈfrʌstreɪt / verb [ transitive ]
1 if something frustrates you, it makes you feel annoyed or angry because you are unable to do what you want :
The fact that he’s working with amateurs really frustrates him.
2 [ usually passive ] to prevent someone’s plans, efforts, or attempts from succeeding SYN foil :
Their attempts to speak to him were frustrated by the guards.