unsuccessful
baffled
balked
betrayed
bilked
blasted
blighted
chapfallen
crestfallen
crossed
crushed
dashed
defeated
disappointed
dished
disillusioned
dissatisfied
frustrated
ill done-by
ill-served
let down
out of countenance
regretful
sorely disappointed
soured
thwarted
boiled
broiled
coiled
embroiled
oiled
recoiled
roiled
soiled
spoiled
toiled
uncoiled
unspoiled