Acceptable For Game Play - US & UK word lists

This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

The American Heritage® Dictionary of the English Language, 4th Edition
  • n. A decrease, decline, or relaxation, as of effort or energy.
  • n. A disappointment: The cancellation of the game was a real letdown.
  • n. The descent made by an aircraft in order to land.
  • n. A physiological response in lactating females, activated usually in response to sucking or crying by an infant, in which milk previously secreted into the alveoli of the breasts is released into the ducts that lead to the nipple.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • n. Alternative form of let-down.
  • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • n. a feeling of dissatisfaction that results when your expectations are not realized
  • Hypernym
    Words that are more generic or abstract
    defeat    frustration   
    Same Context
    Words that are found in similar contexts