Synonyms of impetuous

1. hotheaded, impulsive, impetuous, madcap, tearaway(prenominal), brainish, incautious (vs. cautious): usage: characterized by undue haste and lack of thought or deliberation; "a hotheaded decision"; "liable to such impulsive acts as hugging strangers"; "an impetuous display of spending and gambling"; "madcap escapades"; (`brainish' is archaic)
2. impetuous, forceful (vs. forceless): usage: marked by violent force; "impetuous heaving waves"