impulsive

im·pul·sive

adj \im-ˈpəl-siv\

Definition of IMPULSIVE

1

: having the power of or actually driving or impelling

2

: actuated by or prone to act on impulse <impulsive behavior>

3

: acting momentarily <brief impulsive auditory stimuli>

—im·pul·sive·ly adverb

—im·pul·sive·ness noun

—im·pul·siv·i·ty \-ˌpəl-ˈsiv-ət-ē\ noun, plural im·pul·siv·i·ties