im·pul·sive /ɪmˈpʌlsɪv/
 (a.)衝動的,受感情驅使的,任性的


 im·pul·sive /ɪmˈpəlsɪv/ 形容詞
 衝動的


 Im·pul·sive a.
 1. Having the power of driving or impelling; giving an impulse; moving; impellent.
 Poor men! poor papers! We and they
 Do some impulsive force obey.   --Prior.
 2. Actuated by impulse or by transient feelings.
    My heart, impulsive and wayward.   --Longfellow.
 3. Mech. Acting momentarily, or by impulse; not continuous; -- said of forces.


 Im·pul·sive n. That which impels or gives an impulse; an impelling agent.

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 impulsive
      adj 1: proceeding from natural feeling or impulse without external
             stimulus; "an impulsive gesture of affection" [syn: unprompted]
      2: without forethought; "letting him borrow her car was an
         impulsive act that she immediately regretted"
      3: having the power of driving or impelling; "a driving
         personal ambition"; "the driving force was his innate
         enthusiasm"; "an impulsive force" [syn: driving]
      4: determined by chance or impulse or whim rather than by
         necessity or reason; "a capricious refusal";
         "authoritarian rulers are frequently capricious"; "the
         victim of whimsical persecutions" [syn: capricious, whimsical]
      5: characterized by undue haste and lack of thought or
         deliberation; "a hotheaded decision"; "liable to such
         impulsive acts as hugging strangers"; "an impetuous
         display of spending and gambling"; "madcap escapades";
         (`brainish' is archaic) [syn: hotheaded, impetuous, madcap,
          tearaway(a), brainish]