disappointment /ˌdɪsəˈpɔɪntmənt/ noun3 •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. •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. •Something or someone that disappoints: that which causes disappointment.Even a trip to beautiful California can be a disappointment.What a disappointment! formsdisappointments