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The definition of crestfallen is being very disappointed or depressed.
A child whose long-awaited birthday party has just been cancelled is an example of someone who would be described as crestfallen.
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
- with drooping crest or bowed head
- dejected, disheartened, or humbled
Used by arrangement with John Wiley & Sons, Inc.
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Dispirited and depressed; dejected.