Main Entry: im·pul·sive

Pronunciation: \im-ˈpəl-siv\

Function: adjective

Date: 15th century

1 : having the power of or actually driving or impelling
2 a : arising from an impulse <an impulsive decision> b : prone to act on impulse <an impulsive young man>
3 : acting momentarily

synonyms see spontaneous

— im·pul·sive·ly adverb

— im·pul·sive·ness noun

— im·pul·siv·i·ty \-ˌpəl-ˈsi-və-tē\ noun