frustrated frustrated /ˈfrʌˌstreɪtəd/

adjective

1. () Disappointingly unsuccessful  ( defeated , discomfited , foiled , disappointed , frustrated , thwarted , gutted [Informal, British] )
   disappointingly unsuccessful
    Disappointed expectations and thwarted ambitions
   disappointed expectations and thwarted ambitions
    Their foiled attempt to capture Calais
   their foiled attempt to capture Calais
    Many frustrated poets end as pipe-smoking teachers
   many frustrated poets end as pipe-smoking teachers
    His best efforts were thwarted
   his best efforts were thwarted