act of frustrating; state of being frustrated

the frustration of the president's efforts.

an instance of being frustrated

to experience a series of frustrations before completing a project.

something that frustrates, as an unresolved problem.

a feeling of dissatisfaction, often accompanied by anxiety or depression, resulting from unfulfilled needs or unresolved problems.

noun

aid , assistance , cooperation , encouragement , facilitation , help , support

noun

annoyance , bitter pill , blocking , blow , bummer , chagrin , circumvention , contravention , curbing , defeat , disgruntlement , dissatisfaction , downer * , drag * , failure , fizzle , foiling , grievance , hindrance , impediment , irritation , letdown , nonfulfillment , nonsuccess , obstruction , old one-two , resentment , setback , unfulfillment , vexation , balking , bottleneck , disappointment , discomfiture , nullification