Noun

(en noun)

(uncountable) The emotion felt when a strongly held expectation is not met.

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."'' — ''Today , News Group Newspapers Ltd, 1992

(countable) A circumstance in which a strongly held expectation is not met.

* {{quote-news

, year=2012 , date=May 5 , author=Phil McNulty , title=Chelsea 2-1 Liverpool , work=BBC Sport citation , page= , passage=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 — tried the expedient of a semi-formal inner Cabinet, or Parliamentary Committee, as he misleadingly liked to call it.'' — ''Cabinet , Hennessy, Peter, Basil Blackwell Ltd, 1990

Noun

(en noun)

State or condition of not meeting a desirable or intended objective, opposite of success.

* {{quote-news, year=2012, date=May 5, author=Phil McNulty, work=BBC Sport

, title= Chelsea 2-1 Liverpool , passage=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.}}

* {{quote-news, year=2012, date=April 23, author=Angelique Chrisafis, work=the Guardian

, title= François Hollande on top but far right scores record result in French election , passage=Sarkozy's total will be seen as a personal failure . It is the first time an outgoing president has failed to win a first-round vote in the past 50 years and makes it harder for Sarkozy to regain momentum.}}

An object, person or endeavour in a state of failure or incapable of success.

Termination of the ability of an item to perform its required function, breakdown.

* {{quote-magazine, date=2013-06-28, author=(Joris Luyendijk)

, volume=189, issue=3, page=21, magazine=(The Guardian Weekly) , title= Our banks are out of control , passage=Seeing the British establishment struggle with the financial sector is like watching an alcoholic […].  Until 2008 there was denial over what finance had become. When a series of bank failures made this impossible, there was widespread anger, leading to the public humiliation of symbolic figures.}}