crestfallen
UK /ˈkɹɛstfɔːlən/ · US /ˈkɹɛstfɔlən/ adjective
- adjective Sad because of a disappointment.
- adjective (obsolete, of a horse) Having the crest, or upper part of the neck, hanging to one side.
Synonyms
disappointed disillusioned blue dejected despondent depressed downcast down in the dumps sorrowful chapfallen chopfallen deflated
Etymology
From crest + fallen, from the appearance of a horse with its crest (head) on its chest after defeat in a battle.
Webster’s 1913
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “crestfallen”, CC BY-SA 4.0. Details