To frustrate is to hinder someone's plans or efforts, or to make someone feel annoyed because you are hindering their efforts or refusing to cooperate.
(verb)
- When all the necessary tools are not available to complete a specific project, this is an example of a way to frustrate a job.
- When you keep trying to talk to your friend and he keeps interrupting you which annoys you, this is an example of a time when your friendfrustrates you.