frustrate

/ˈfrə-ˌstrāt/

Middle English, from Latin frustratus, past participle of frustrare to deceive, frustrate, from frustra in error, in vain

verb

to balk or defeat in an endeavor
to induce feelings of discouragement in
to make ineffectual : bring to nothing

frustrated her opponents by her ball-handling

Not being able to find a job frustrated him.

frustrate thwart foil baffle balk mean to check or defeat another's plan or block achievement of a goal. frustrate implies making vain or ineffectual all efforts however vigorous or persistent. thwart suggests frustration or checking by crossing or opposing.

adjective

characterized by frustration