disappointed Meaning, Definition & Usage

  1. verb fail to meet the hopes or expectations of
    disappoint; let down.
    • Her boyfriend let her down when he did not propose marriage
  2. adjective satellite disappointingly unsuccessful
    thwarted; defeated; foiled; discomfited; frustrated.
    • disappointed expectations and thwarted ambitions
    • their foiled attempt to capture Calais
    • many frustrated poets end as pipe-smoking teachers
    • his best efforts were thwarted

WordNet

Dis`ap*point"ed adjective
Definitions
  1. Defeated of expectation or hope; balked; as, a disappointed person or hope.
  2. Unprepared; unequipped. Obs.
    Cut off even in the blossoms of my sin, Unhouseled, disappointed, unaneled. Shak.

Webster 1913