reflex

adj 0.683

reflexed

adj 0.578

kneed

adj 0.576

hair-trigger

adj 0.565

instinctive

adj 0.564

reflexive

adj 0.558

patellar

adj 0.554

impulsive

adj 0.548

unthinking

adj 0.546

spontaneous

adj 0.541

jumpy

adj 0.537

overreactive

adj 0.535

instant

adj 0.528

nastic

adj 0.528

push-button

adj 0.527

automatic

adj 0.526

instinctual

adj 0.525

quick off the mark

adj 0.523

twitchy

adj 0.520

immediate

adj 0.518

impetuous

adj 0.516

sudden

adj 0.515

jumping

adj 0.514

involuntary

adj 0.512

jerky

adj 0.511

jolting

adj 0.509

unreflectively

adj 0.508

reactionary

adj 0.507

ballistic

adj 0.504

precipitant

adj 0.503

triggered

adj 0.503

innate

adj 0.501