letdown

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a feeling of dissatisfaction that results when your expectations are not realized (Freq. 1)
- his hopes were so high he was doomed to disappointment
• Syn:
disappointment
• Derivationally related forms:
let down, disappoint (for: disappointment)
• Hypernyms:
dissatisfaction
• Hyponyms:
frustration, defeat