/ Dictionary / Index I impulsive: Meaning and Definition of Find definitions for: im•pul•sive Pronunciation: (im-pul'siv), [key] — adj. actuated or swayed by emotional or involuntary impulses: an impulsive child. having the power or effect of impelling; characterized by impulsion: impulsive forces. inciting to action: the impulsive effects of a revolutionary idea. (of forces) acting momentarily; not continuous. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: impulsive (Thesaurus) impulsion impunity Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language