Panic1. (n.) A plant of the genus Panicum; panic grass; also, the edible grain of some species of panic grass.
2. (a.) Extreme or sudden and causeless; unreasonable; -- said of fear or fright; as, panic fear, terror, alarm.
3. (n.) 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.
4. (a.) By extension: A sudden widespread fright or apprehension concerning financial affairs.
Thesaurus Entries
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