impulsive
/ɪmˈpʌlsɪv/adjective
1
- acting or done without forethought冲动的, 没有事先考虑的：
they had married as young impulsive teenagers
他们还是年轻冲动的十几岁少年时就结婚了
perhaps he's regretting his impulsive offer.
或许他正后悔他的冲动建议。
2
- Physics acting as an impulse【物理】脉冲的。
派生词
impulsively
adverbimpulsiveness
nounimpulsivity
noun词源
late Middle English （in the sense 'tending to impel'）： from French impulsif, -ive or late Latin impulsivus, from Latin impuls- 'driven onwards' （see IMPULSE）. Sense 1 dates from the mid 18th cent.