Adjective impulsive has 5 senses
  1. impulsive, unprompted - proceeding from natural feeling or impulse without external stimulus; "an impulsive gesture of affection"
    Antonym: induced (indirect, via spontaneous)
  2. impulsive - without forethought; "letting him borrow her car was an impulsive act that she immediately regretted"
    Antonym:
    premeditated (indirect, via unpremeditated)
  3. driving, impulsive - having the power of driving or impelling; "a driving personal ambition"; "the driving force was his innate enthusiasm"; "an impulsive force"
    Antonyms: undynamic, adynamic (indirect, via dynamic)
  4. capricious, impulsive, whimsical - 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"
    Antonyms: nonarbitrary, unarbitrary (indirect, via arbitrary)
  5. hotheaded, impulsive, impetuous, madcap, tearaway, brainish - 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)
    Antonym: cautious (indirect, via incautious)
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