Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

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Multi-word Results
hair trigger a firearm trigger adjusted so that very slight pressure can make it function.
hair-trigger responding quickly to the slightest stimulus; easily activated.
quick on the trigger (informal) quick to act or react, sometimes prematurely.
trigger finger the finger used to pull the trigger of a gun, usu. the index finger.
trigger-happy (informal) ready to use force, esp. by firing a gun, at the slightest provocation, regardless of consequences. [2 definitions]