Answer: startle

AnswerCrossword Clue
STARTLETake by surprise
STARTLETake unawares.
STARTLEAlarm suddenly.
STARTLESurprise.
STARTLEFrighten suddenly.
STARTLECatch unawares
STARTLEExcite suddenly
STARTLETake back
STARTLEShock
STARTLERouse by sudden alarm
STARTLEScare.
STARTLECatch off-guard
STARTLEMake the hair stand on end
STARTLESurprise suddenly
STARTLEGive a fright
STARTLEFrighten suddenly
STARTLETake aback
startleto frighten or surprise
startleto surprise or be surprised
STARTLECatch off guard
STARTLEJolt
STARTLESay "Boo!" to
STARTLESuddenly spook
STARTLEFrighten
STARTLEShake up
STARTLESay "Boo!" to, say
STARTLEScare
STARTLESurprise with a "Boo!"
STARTLEAlarm
STARTLECatch unaware
STARTLECurl one's hair?
STARTLESurprise
STARTLECause to jump
STARTLESpook
STARTLEGive a turn
STARTLEScare suddenly
STARTLEFrighten.
STARTLEAlarm.