What does impetuous mean?
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From our dictionary:im•pet•u•ous
Pronunciation: (im-pech'OO-us), [key]
—adj.
1. of, pertaining to, or characterized by sudden or rash action, emotion, etc.; impulsive: an impetuous decision; an impetuous person.
2. having great impetus; moving with great force; violent: the impetuous winds.