WordNet 3.0
Noun (3)
- the feeling that accompanies an experience of being thwarted in attaining your goalsSynonyms: defeat
- an act of hindering someone's plans or effortsSynonyms: thwartingfoiling
- a feeling of annoyance at being hindered or criticized“her constant complaints were the main source of his frustration”
Webster's Dictionary (GCIDE)
Frustration \Frus*tra"tion\, n. [L. frustratio: cf. OF. frustration.] The act of frustrating; disappointment; defeat; as, the frustration of one's designs. [1913 Webster]