• WordNet 3.6
    • adj crestfallen brought low in spirit "left us fatigued and deflated spiritually"
    • ***
Webster's Revised Unabridged Dictionary
    • Crestfallen Having the crest, or upper part of the neck, hanging to one side; -- said of a horse.
    • Crestfallen With hanging head; hence, dispirited; dejected; cowed. "Let it make thee crestfullen ;
      Ay, and allay this thy abortive pride."
    • ***
Century Dictionary and Cyclopedia
    • crestfallen Dejected; bowed; chagrined; dispirited; spiritless.
    • crestfallen In the manège, having the upper part of the neck hanging to one side: said of a horse.
    • ***
Chambers's Twentieth Century Dictionary
    • adjs Crestfallen dejected: heartless
    • ***


Chambers's Twentieth Century Dictionary
O. Fr. creste (mod. crête)—L. crista.


In literature:

One by one the crestfallen unsuccessful ones went to their seats, and, to the amazement of all, Marjorie remained standing.
"Marjorie's Busy Days" by Carolyn Wells
After Von Barwig had introduced his friend, they noticed his crestfallen manner.
"The Music Master" by Charles Klein
Grandfather inserted his hand, felt around, and pulled forth Jeremiah, a very crestfallen cat.
"The Cat in Grandfather's House" by Carl Henry Grabo
Father McCormack and Doyle followed him, crestfallen.
"General John Regan" by George A. Birmingham
Raikes looked crestfallen for an instant.
"The Camp in the Snow" by William Murray Graydon
Dow remained with the seafaring man, looking crestfallen and unhappy.
"Roosevelt in the Bad Lands" by Hermann Hagedorn
The man looked crestfallen.
"An Australian Lassie" by Lilian Turner
He looked so crestfallen and funny that they forgave him on the spot for the loss of their candy.
"Zip, the Adventures of a Frisky Fox Terrier" by Frances Trego Montgomery
He at last arrived, looking very crestfallen.
"In the Wilds of Florida" by W.H.G. Kingston
Mr. Coyote looked just the least bit crestfallen.
"The Tale of Benny Badger" by Arthur Scott Bailey
But this was certain: Stephen left his room a good deal more crestfallen than he entered it.
"The Fifth Form at Saint Dominic's" by Talbot Baines Reed
Considerably crestfallen, the delinquents dropped towards the rear.
"A harum-scarum schoolgirl" by Angela Brazil
Adair returned crestfallen and miserable, brooding over the injury and insults he had received.
"The Three Midshipmen" by W.H.G. Kingston
One after another they were thrown down, and retired crestfallen.
"The Great White Tribe in Filipinia" by Paul T. Gilbert
Elsmere went home crestfallen.
"Robert Elsmere" by Mrs. Humphry Ward
A few looked crestfallen, others, like Marian Lawrence, malignant.
"Black Oxen" by Gertrude Franklin Horn Atherton
But in vain, and it was a very crestfallen, angry old lady who drove back through the fields to Stetten.
"A German Pompadour" by Marie Hay
Crestfallen faintly expressed his appearance.
"Patty's Success" by Carolyn Wells
Ahchoogah went away down-hill with a crestfallen air.
"The Woman from Outside" by Hulbert Footner
There, there, don't be crestfallen.
"The Duke's Motto" by Justin Huntly McCarthy

In poetry:

In prison cell I sadly sit,
A dammed crestfallen chappie,
And own to you I feel a bit--
A little bit—unhappy.
"Butchered to make a Dutchman's Holiday" by Harry Breaker Morant
The other bowed, and left,
Crestfallen in sentiment, as one bereft
Of some fair object he had been moved to cherish,
By hands more deft.
"The Obliterate Tomb" by Thomas Hardy

In news:

This Embattled, Crestfallen BioPharma Stock Is Seen As An Enticing Undervalued Buy.
Groused the crestfallen young woman bellying up to the Miami International Film Festival ticket counter.
The right amount of pushing and nudging might just be what a crestfallen sales person or recruiter might need reinvigorate and start their efforts anew.
Kings of Leon fans were crestfallen on Monday when the band cancelled its entire US tour.