baffle
balk
balking
betrayed hope
bewilderment
blasted expectation
blighted hope
blow
bother
buffet
check
checkmate
comedown
confounding
confoundment
confusion
cruel disappointment
dash
dashed hope
defeat
dilemma
disappointment
discomfiture
discomposure
disconcert
disconcertedness
disconcertion
disconcertment
disillusionment
dissatisfaction
disturbance
embarrassment
enigma
failure
fallen countenance
fiasco
fix
fizzle
foil
foiling
forlorn hope
frustration
hope deferred
jam
letdown
mirage
mystery
nonplus
confusedness
disarray
mental confusion
muddiness
blankness
consternation
dejection
disinterest
disorganisation
disorientation
exasperation
helplessness
inattention
incomprehension
lifelessness
mystification
negation
obliteration
puzzlement
revulsion
ruination
stupefaction
unconcern
uselessness