impulsive
英 [ɪm'pʌlsɪv]
美[ɪm'pʌlsɪv]
	    - adj. 冲动的;受感情驱使的;任性的
 
英英释意
- 1. proceeding from natural feeling or impulse without external stimulus;
 - "an impulsive gesture of affection"
 
- 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"
 
- 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"
 
- 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)