Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun letdown
1 sense of letdown
Sense 1
disappointment, letdown -- (a feeling of dissatisfaction that results when your expectations are not realized; "his hopes were so high he was doomed to disappointment")
=> dissatisfaction -- (the feeling of being displeased and discontent; "he was never slow to express his dissatisfaction with the service he received")