disappointment

1. (uncountable) The feeling or state of being disappointed: a feeling of sadness or frustration when something is not as good as one hoped or expected, or when something bad unexpectedly happens.Examples: "Even a trip to beautiful California can cause disappointment."; "They remembered too keenly their pleasant credulity as to what to-morrow would bring forth, to dare indulge expectation of its pleasure; they had been disappointed once—so might they be again—for disappointment ever leaves fear behind."; "Choking back his disappointment after his own team's splendid wins against Liverpool and Aston Villa, he said: "I've got to be humble and say we were beaten by a very good side.""uncountable

2. (countable) An example or the act of disappointing: a circumstance in which a positive expectation is not achieved.Examples: "The disappointment with our trip to California caused bickering."; "For Liverpool, their season will now be regarded as a relative disappointment after failure to add the FA Cup to the Carling Cup and not mounting a challenge to reach the Champions League places."; "As the disappointments crowded in — the economy, Rhodesia, strife within the trade-union movement — Wilson tried the expedient of a semi-formal inner Cabinet, or Parliamentary Committee, as he misleadingly liked to call it."countable

3. (countable) Something or someone that disappoints: that which causes disappointment.Examples: "Even a trip to beautiful California can be a disappointment."; "What a disappointment!"countable