disappointverb/dɪsəˈpɔɪnt/

• 1

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

  • His lack of respect disappointed her.
  • I was disappointed by last year’s revenue.
• 2

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

  • They that haue money in their purse, are afrayde and in doubte, yea and are continuallye martyred with feare, leaste GOD should disappoint them of their pray, and abate their portion.
  • 1637, Thomas Killigrew, The Parson’s Wedding, Act V, Scene 4, in Comedies and Tragedies, London: Henry Herringman, 1664, p. 152, Bless me from an old waiting-womans wrath; she’l never forgive me the disappointing her of a promise when I was drunk;
• 3

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

  • 1751, Samuel Johnson, The Rambler, No. 127, 4 June, 1751, Volume 4, London: J. Payne and J. Bouquet, 1752, pp. 240-241, It is not uncommon for those who at their first entrance into the world were distinguished for eminent attainments or superior abilities, to disappoint the hopes which they had raised, and to end in neglect and obscurity that life which they began in celebrity and honour.
  • […] his life was despaired of; and all Japan was filled with alarm and apprehension at the prospect of an infant’s ascending the throne: […] Their fears, however, were happily disappointed by the recovery of the emperor,
• 4

  datedTo show (an opinion, belief, etc.) to be mistaken.

  • I am sure you will not disappoint my opinion of you, by failing at any time to treat your aunt Norris with the respect and attention that are due to her.
  • “Well, I thought it was too good to be true,” he said at last, with a sigh of disappointed conviction.
• 5

  obsoleteTo prevent (something planned or attempted).

  • He [God] disappointeth the devices of the crafty, so that their hands cannot perform their enterprise.
  • The wary Trojan shrinks, and bending low Beneath his Buckler, disappoints the Blow.