fumble
grope
precariousness
uncertainty
uncertainness
fear
doubtful
misgiving
die
sure
certain
willies
misgivingly
apprehensive
out of spirits
dubiously
wavering
afraid
apprehendingly
gloppen
apprehensiveness
unassurance
jubous
underfeel
ill at ease
misguided
uncheerfulness
cheerlessness
groping
trepidatious
asea
feel-bad
dither
puzzle
ill-begotten
like a cat in a strange garret
threatened
conjecture
starry-eyed
doubtfulness
dubiousness
speculate
dubious
dubiety
doubt
theorize
hypothesise
theorise
hypothecate
twi-minded
umbrage
incertitude
hypothesize
suspense
suppose
discontent
discontented
solicitousness
insusceptibility
concerned
sinking feeling
bogglish
solicitude
unsettledly
thing
iffy
free
have one's heart in one's boots
unsteadily
depression
tentative
moroseness
sullenness
misfeel
glumness
despondency
henid
groak
daunting
intimidating
twithought
despondence
disconsolateness
distrustful
on pins and needles
sinking
heartsickness
question
qualm
havering