make someone's hair stand on end
freak out
put the shits up someone
scare the hell out of
do someone a frighten
scarecrow
scare the life out of
scare the shit out of
flay
give someone the shits
fray
geek out
spook out
scare the living daylights out of
put the wind up
put the heart across one
make someone's flesh creep
frighten the life out of someone
scare someone to death
curl someone's hair
scare the pants off
frighten the piss out of
spook
make someone's skin crawl
have the wind up
get the wind up
funk
creep out
panic
rattle
harrow
boo
frighten
terrify
brick it
put the fear of God into
terrorise
menace
terrifying
tremble
send shivers down someone's spine
scare
frightsomeness
jump in one's skin
not bear thinking about
comb someone's hair the wrong way
fearful
wrack
brushback pitch
frightfulness
fear
pants-shittingly
concern
mither
scare straight
befright
get someone's goat
scaringly
shuddersome
frightensome
apprehend
get someone's Irish up
worrit
get someone's dander up
blush
terrorize
get under someone's skin
cow
scare someone out of their wits
get up someone's nose
disquiet
hagride
chap someone's hide
overfrighten
alarming
out of one's skin
set up someone's birse
piggle
cower
bescare
assault
dread
trepidly
give someone ass cancer
terror
cringeful
worry someone sick
frightenedness
chilling
quake in one's boots
frightening