1. to cause someone to feel annoyed, disappointed, or annoyed because they are unable to do or achieve something
The slow internet connection frustrates me.
A conexão lenta da internet me frustra.
2. to prevent something desired from happening or to block progress toward a goal
Heavy traffic frustrated our plans to arrive on time.
O trânsito intenso frustrou nossos planos de chegar no horário.
3. to thwart or nullify an attempt or effort
The security system frustrated the thieves' attempts to break in.
O sistema de segurança frustrou as tentativas dos ladrões de invadir.