startle (verb) startle: frighten, surprise
Sinonime: affright,
agitate,
alarm,
amaze,
astonish,
astound,
awe,
bolt, consternate,
floor, fright, give a turn,
jump, make jump,
rock,
scare, scare to death, shake up,
shock, spook,
spring, spring something on,
stagger,
start,
stun, take aback, terrify, terrorize
Antonime: calm,
comfort,
compose,
expect