from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To fail to satisfy the hope, desire, or expectation of.
- transitive v. To frustrate or thwart: "I will not disappoint the confidence you have put in me” ( Wayne A. Budd).
- intransitive v. To cause disappointment.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To displease by e.g. underperforming
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To defeat of expectation or hope; to hinder from the attainment of that which was expected, hoped, or desired; to balk
- transitive v. To frustrate; to fail; to hinder of result.
from The Century Dictionary and Cyclopedia
- To frustrate the desire or expectation of; balk or thwart in regard to something intended, expected, or wished; defeat the aim or will of: as, do not disappoint us by staying away; to be disappointed in or of one's hopes, or about the weather.
- To defeat the realization or fulfilment of; frustrate; balk; foil; thwart: as, to disappoint a man's hopes or plans.
- To hinder of intended effect; frustrate; foil.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. fail to meet the hopes or expectations of
Middle English disappointen, from Old French desapointier, to remove from office : des-, dis- + apointer, apointier, to appoint; see appoint.(American Heritage® Dictionary of the English Language, Fourth Edition)