Verb
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.
To frustrate; to fail; to hinder of result.
Source: Webster's dictionaryGreat God, I ask thee for no meaner pelf Than that I may not disappoint myself, That in my action I may soar as high As I can now discern with this clear eye. Henry David Thoreau
I represent Brazil all over the world. Wherever I go I have to do my best, to not disappoint the Brazilian people. And that I've done. Pelé
It is easier with strangers, for they touch your life but for an instant. You will not disappoint them, for you owe them nothing; neither do they expect anything. Friends you can hurt, for they expect everything. David Gemmell
Once the curtain is raised, the actor is ceases to belong to himself. He belongs to his character, to his author, to his public. He must do the impossible to identify himself with the first, not to betray the second, and not to disappoint the third. Sarah Bernhardt
What the inner voice says Will not disappoint the hoping soul. Friedrich Schiller
Those who get praised most loudly, disappoint me the most. Icelandic Proverb