troubled
abashed
afflicted
affrighted
agitated
alarmed
all-overish
anxious
anxioused up
apprehensive
beset
bothered
cast down
chagrined
chapfallen
concerned
confused
consternated
daunted
discomfited
discomforted
discomposed
disconcerted
dismayed
distressed
disturbed
embarrassed
excited
fearful
feverish
fidgety
flurried
flustered
foreboding
frightened
hung up
ill at ease
in a fright
in a funk
in a pucker
in a stew
jittery
jumpy
misgiving
mortified
nervous
nervy
on tenterhooks
out of countenance
overanxious
overapprehensive