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.
An example or the act of disappointing: a circumstance in which a positive expectation is not achieved.
Something or someone that disappoints: that which causes disappointment.
Great sadness or distress; a misfortune causing such sadness.
A curse; a malediction.
Calamity, trouble.