To sadden or displease (someone) by underperforming, or by not delivering something promised or hoped for.

“His lack of respect disappointed her.”

To deprive (someone of something expected or hoped for).

To fail to meet (an expectation); to fail to fulfil (a hope).

Defeated of expectations or hope; experiencing disappointment; let down.

“After all his anticipation, the trip left him deeply disappointed.”

Expressing or indicating disappointment.

“a disappointed tone / face / silence”