Answer:

PANIC

Answer	Crossword Clue
PANIC	Become terrified
PANIC	Kind of button
PANIC	"War of the Worlds" broadcast aftermath

PANIC	Type of button?
PANIC	Word on a button
PANIC	Public scare
PANIC	War of the Worlds outcome
PANIC	"War of the Worlds" aftermath
PANIC	Go to pieces
PANIC	Stark horror
PANIC	Word with attack or button

PANIC	Reaction to a pop quiz, perhaps
PANIC	Hysteria
PANIC	Get frantic
PANIC	Hardly stay cool
PANIC	".. Room": 2002 Jodie Foster film
PANIC	Freak
PANIC	Hardly a cool response
PANIC	Not stay cool

PANIC	Real hoot
PANIC	Chicken Little's emotion
PANIC	High anxiety
PANIC	Lose one's cool
PANIC	Hilarious person
PANIC	Type of button
PANIC	Prelude to a stampede
PANIC	Sudden fright

PANIC	Wall Street scare
PANIC	Kind of button or attack
PANIC	Lose one's head
PANIC	Real riot
PANIC	"... Room" (2002 Jodie Foster film)
PANIC	Financial crisis
PANIC	Give in to anxiety
PANIC	Kind of attack

PANIC	Type of button or room
PANIC	Word before button or attack
PANIC	Groundless fear
PANIC	Utter fear
PANIC	"... Room" (2002)