[more impetuous; most impetuous] : acting or done quickly and without thought : controlled by emotion rather than thought : impulsive
▪ He's always been an impetuous young man. ▪ an impetuous decision
▪ He's always been an impetuous young man. ▪ an impetuous decision
— im·pet·u·ous·ly adverb
— im·pet·u·ous·ness noun [noncount]







