Crestfallen

1. (a.) With hanging head; hence, dispirited; dejected; cowed.

2. (a.) Having the crest, or upper part of the neck, hanging to one side; -- said of a horse.

Thesaurus Entries

abashed, ashamed, baffled, balked, betrayed, bilked, blasted, blighted, blushing, brooding, broody, chagrined, chapfallen, crossed, crushed, dashed, defeated, disappointed, dished, disillusioned, dissatisfied, dumpish, embarrassed, foiled, frustrated, glum, grum, hangdog, humbled, humiliated, ill done-by, ill-served, let down, long-faced, moodish, moody, mopey, moping, mopish, morose, mortified, mumpish, out of countenance, red-faced, regretful, shamed, shamefaced, shamefast, sorely disappointed, soured, sulky, sullen, thwarted