What is the meaning of Frustrated?

simple past and past participle of frustrate

Foiled, stopped, disappointed. (Can we add an example for this sense?) (clarification of this definition is needed)

Suffering from frustration; dissatisfied, agitated, discontent and/or slightly angry because one is unable to perform an action or fulfill a desire, or something happened or someone else did something in a way one did not hope for, expect, or desire.

Imperfect form of execution of a crime in that, despite performing all the acts that should produce it, the crime fails to be consummated.

Source: wiktionary.org