ˈ ̷ ̷ˌ ̷ ̷ ̷ ̷ adjective
or hair-triggered ˈ ̷ ̷| ̷ ̷ ̷ ̷
Etymology: hair trigger
1.
a. : disposed to react quickly
hair-trigger children who needed only a leader … to break into happy riot — John Steinbeck
b. : immediately responsive to the slightest stimulus
hair-trigger nerves
there is a hair-trigger ferocity about leopards — Alan Moorehead
c. : marked by promptness : instantaneous
hair-trigger service on inquiries — J.J.Canavan
2. : delicately adjusted or easily disrupted
hair-trigger schedule
hair-trigger balance