1. To disappoint or defeat; to vex by depriving of something expected or desired.
    It frustrates me to do all this work and then lose it all.
  2. To hinder or thwart.
    My clumsy fingers frustrate my typing efforts.
  3. To cause stress or panic
    This test frustrates me because if I fail, it'll destroy my grade.


  1. vain; ineffectual; useless; nugatory

The above text is a snippet from Wiktionary: frustrate
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