1.the feeling that accompanies an experience of being thwarted in attaining your goals
2.an act of hindering someone's plans or efforts
3.a feeling of annoyance at being hindered or criticized;
her constant complaints were the main source of his frustration
frustration [frʌs'treiʃən] n. 打破,挫折,頓挫 It's healthier to release frustration than to bottle it up. 受挫折后發泄一通比強忍著對身體有益。 [計算機] 失敗 [外貿]失信 例如:Complaint concerning frustration表示“申訴不履行承諾”。