Panic

Part of speech: noun (n.)

A plant of the genus Panicum; panic grass; also, the edible grain of some species of panic grass. Panic grass (Bot.), any grass of the genus Panicum.

Part of speech: noun (n.)

1. 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.

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

Part of speech: adjective (a.)

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