scared
shitting planks
panickingly
fash
fret
nervous as a whore in church
nervous as a cat
gliff
windy
frightened
ph33r
scareful
worry
alarmed
petrified
scary
fantigue
one's heart in one's mouth
hyperanxious
scared to death
hair-raising
eerie
chilling
scared spitless
scared shitless
nervous as a long-tailed cat in a room full of rocking chairs
weeping and wailing and gnashing of teeth
fearingly
startled
shaky
consternated
fearful
daunted
shit scared
semipetrified
brick it
solicitude
petrifying
shook-up
chemophobic
solicitousness
gabra
troubled
apprehend