Disappointment

Noun

1. 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.

   "Even a trip to beautiful California can cause disappointment."

2. An example or the act of disappointing: a circumstance in which a positive expectation is not achieved.

   "The disappointment with our trip to California caused bickering."

3. Something or someone that disappoints: that which causes disappointment.

   "Even a trip to beautiful California can be a disappointment."