She was frustrated by his inability to remember her birthday.
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 friend frustrates you.
Frustrated his ambition; frustrated their scheme for reform.
A persistent wind frustrated me as I tried to rake the leaves.
To frustrate plans.
To frustrate an opponent.