Crossword Dictionary
IMPULSIVE
impulsive - a
without forethought; "letting him borrow her car was an impulsive act that she immediately regretted"
Synonyms
besetting, compulsive, driven, obsessional, obsessive
Examples
Had his offer been as impulsive as her acceptance?
Dean cringed at this first admonition for his impulsive actions.
It is clear that the position of a chancellor holding these views in relation to a ruler so masterful and so impulsive as the emperor William II.
Etymology
early 15c., originally in reference to medicine that reduces swelling or humors, from Medieval Latin impulsivus, from Latin impuls-, past participle stem of impellere "strike against, push against" (see impel). Meaning "having the property of impelling" (of force, cause, energy, etc.) is from c. 1600. Of persons, "rash, characterized by impulses," from 1847, from impulse. Earlier, at least once, in reference to maniacs: