Dictionary.net

cause panic in; fill with panic; "Th mere thought of an isolation cell panicked the prisoners"

cause sudden fear in or fill with sudden panic; "The mere thought of an isolation cell panicked the prisoners"

be overcome by a sudden fear; "The students panicked when told that final exams were less than a week away"

A plant of the genus Panicum; panic grass; also, the edible grain of some species of panic grass.

A sudden, overpowering fright; esp., a sudden and groundless fright; terror inspired by a trifling cause or a misapprehension of danger; as, the troops were seized with a panic; they fled in a panic.

By extension: A sudden widespread fright or apprehension concerning financial affairs.

Extreme or sudden and causeless; unreasonable; - said of fear or fright; as, panic fear, terror, alarm.

A plant of the genus Panicum; panic grass; also, the edible grain of some species of panic grass.

A sudden, overpowering fright; esp., a sudden and groundless fright; terror inspired by a trifling cause or a misapprehension of danger; as, the troops were seized with a panic; they fled in a panic.

By extension: A sudden widespread fright or apprehension concerning financial affairs.

Extreme or sudden and causeless; unreasonable; - said of fear or fright; as, panic fear, terror, alarm.

A state of extreme acute, intense anxiety and unreasoning fear accompanied by disorganization of personality function.

Extreme and sudden fright, especially when without good cause.

Suddenly and violently alarming.

Panicky.

Extreme or sudden fright.

Of the nature of a panic.

Sudden or causeless fright.

A sudden, causeless, overpowering fear, as of a surprized army.

Extreme or sudden; under fright, so called as ascribed to Pan.

A sudden fright.

A millet.

Sudden fright, particularly without cause; terror inspired by a trifling cause; a sudden alarm; a monetary crisis.

n. A sudden right; especially, one without real cause, or inspired by a trifling cause.