'Disappoint' definitions:

Definition of 'disappoint'

(from WordNet)
verb
Fail to meet the hopes or expectations of; "Her boyfriend let her down when he did not propose marriage" [syn: disappoint, let down]

Definition of 'Disappoint'

From: GCIDE
  • Disappoint \Dis`ap*point"\, v. t. [imp. & p. p. Disapointed; p. pr. & vb. n. Disappointing.] [OF. desapointier, F. d['e]sappointer; pref. des- (L. dis-) + apointier, F. appointier, to appoint. See Appoint.]
  • 1. To defeat of expectation or hope; to hinder from the attainment of that which was expected, hoped, or desired; to balk; as, a man is disappointed of his hopes or expectations, or his hopes, desires, intentions, expectations, or plans are disappointed; a bad season disappoints the farmer of his crops; a defeat disappoints an enemy of his spoil. [1913 Webster]
  • I was disappointed, but very agreeably. --Macaulay. [1913 Webster]
  • Note: Disappointed of a thing not obtained; disappointed in a thing obtained. [1913 Webster]
  • 2. To frustrate; to fail; to hinder of result. [1913 Webster]
  • His retiring foe Shrinks from the wound, and disappoints the blow. --Addison.
  • Syn: To tantalize; fail; frustrate; balk; baffle; delude; foil; defeat. See Tantalize. [1913 Webster]

Synonyms of 'disappoint'

From: Moby Thesaurus