disappoint

Meanings

1. To sadden or displease (someone) by underperforming, or by not delivering something promised or hoped for.
2. To deprive (someone of something expected or hoped for).
3. To fail to meet (an expectation); to fail to fulfil (a hope).
4. To show (an opinion, belief, etc.) to be mistaken.
5. To prevent (something planned or attempted).

Etymology

From Middle French desapointer (compare French désappointer). The word originally meant to "dispossess of appointed office", and eventually broadened to mean "to frustrate the expectations or desires of" and "defeat the realization or fulfillment of".