Main Entry: im·pul·sive

Pronunciation: \im-ˈpəl-siv\

Function: adjective

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