| Noun | 1. | frustration - the feeling that accompanies an experience of being thwarted in attaining your goalsdisappointment, letdown - a feeling of dissatisfaction that results when your expectations are not realized; "his hopes were so high he was doomed to disappointment" | |
| 2. | frustration - an act of hindering someone's plans or efforts | |
| 3. | frustration - a feeling of annoyance at being hindered or criticized; "her constant complaints were the main source of his frustration" | |