Definition of let-down noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈlet daʊn//
; NAmE NAmE//ˈlet daʊn//
[countable, usually singular, uncountable] (informal)
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something that is disappointing because it is not as good as you expected it to be synonym disappointment, anticlimax Afterwards there was just a feeling of let-down. The London exhibition was a bit of a let-down.