existential crisis
anxiety attack
overanxiousness
frantic
in a right state
panicogenic
paniculiform
anxiety
panic
deer in the headlight syndrome
hypochondriasis
panicked
hypochondria
clawing
willies
qualm
panic-struck
frightened
funk
panic-stricken
panicogenesis
swivet
terrified
panicky
afraid
panickingly
alarming
panic stations
angst
take fright
nail biter
terror
one's blood runs cold
alarmed
trepidation
affright
cold chills
geek out
maniaphobia
uneasiness
crawlies
creeps
white-knuckle
horror
panic attack
paniculate
pucker
cockwaffle
thought
panicker
pall
hair-raising
chill
hobgoblin
disquietude
deer in the headlights
fever
anxiety neurosis
troubledness
quake
press the panic button
phobic
trepidancy
fear
whim-wham
phobophobia
hairy
scared
anxiousness
flop sweat
stew
scare
panicled
stewing
suspense
shot
anxiously
uneasily
worry
twitchiness
fearscape
scaaared
apprehensively
stunned
dazed
shudderful
like a cat in a strange garret
stupefied
scary
dreaded
stupid
horrid