- dis|ap|point|ment [ˌdısəˈpɔıntmənt] n1.) [U]a feeling of unhappiness because something is not as good as you expected, or has not happened in the way you hoped▪ He could see the disappointment in her eyes.to sb's (great) disappointment▪ To Edward's disappointment, Gina never turned up at the party.disappointment at/with/over etc▪ the managers' disappointment with the results▪ Several people expressed disappointment at the delay.disappointment that▪ her disappointment that she hadn't been picked▪ She was unable to hide her bitter disappointment .2.)someone or something that is not as good as you hoped or expected▪ The movie was kind of a disappointment.great/bitter disappointment▪ The loss was a bitter disappointment.disappointment to▪ She felt she was a disappointment to her family.disappointment for▪ The team's performance has been a disappointment for the fans.
Dictionary of contemporary English. 2013.