'Crestfallen' definitions:

Definition of 'crestfallen'

From: WordNet
adjective
Brought low in spirit; "left us fatigued and deflated spiritually" [syn: chapfallen, chopfallen, crestfallen, deflated]

Definition of 'Crestfallen'

From: GCIDE
  • Crestfallen \Crest"fall`en\ (-f?l`'n), a.
  • 1. With hanging head; hence, dispirited; dejected; cowed. [1913 Webster]
  • Let it make thee crestfullen; Ay, and allay this thy abortive pride. --Shak. [1913 Webster]
  • 2. Having the crest, or upper part of the neck, hanging to one side; -- said of a horse. [1913 Webster]