An example or the act of disappointing: a circumstance in which a positive expectation is not achieved.
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.
Something or someone that disappoints: that which causes disappointment.
Enthusiasm, rapture, spirit, or vigour, especially of imagination such as that which animates an artist, musician, or writer, in composing or performing.