hair-trigger


hair-trig·ger

(hâr′trĭg′ər)adj. Responding to the slightest provocation or stimulation: a hair-trigger temper; a hair-trigger reaction.

hair′ trig`ger


n. a trigger that allows the firing mechanism of a firearm to be operated by very slight pressure. [1815–25]

hair′-trig`ger



adj. 1. easily activated or set off; put into operation by the slightest impulse. 2. reacting immediately to the slightest provocation: a hair-trigger temper. [1885–90]

hair-trigger

- Its underlying meaning is something that may be triggered with the pressure of something as slight as a hair.See also related terms for slight.
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