impulsive
🇺🇸
/ɪmˈpʌlsɪv/
🇬🇧
/ɪmˈpʌlsɪv/
adjective
R
doing things suddenly without thinking first
His impulsive decision to buy the car without testing it first led to problems.
彼が衝動的に車を買う決断をし、最初に試乗しなかったことで問題が生じた。
translation
衝動的な、考えずに突然行動する