impulsive

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im·pul·sive / imˈpəlsiv/ • adj. 1. acting or done without forethought: they had married as young impulsive teenagers perhaps he's regretting his impulsive offer.2. Physics acting as an impulse.DERIVATIVES: im·pul·sive·ly adv.im·pul·sive·ness n.im·pul·siv·i·ty / ˌimˌpəlˈsivitē/ n.

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