Main entry: impetuous, impulsive, hotheaded, brainish, tearaway, madcap
Definition: characterized by undue haste and lack of thought or deliberation
Usage: a hotheaded decision; liable to such impulsive acts as hugging strangers; an impetuous display of spending and gambling; madcap escapades; (`brainish' is archaic)
Main entry: impetuous
Definition: marked by violent force
Usage: impetuous heaving waves