1. Impetuous, impulsive both refer to persons who are hasty and precipitate in action, or to actions not preceded by thought. Impetuous suggests eagerness, violence, rashness: impetuous vivacity; impetuous desire; impetuous words.

Is impetuousness a word?

Having or marked by violent force: impetuous, heaving waves.

What does impetuously mean?

: acting or done quickly and without thought : impulsive an impetuous decision.