(adj) characterized by undue haste and lack of thought or deliberation; ; ; ; ; (`brainish' is archaic), Syn. madcap, brainish, impulsive, tearaway, impetuous, Example:a hotheaded decision; liable to such impulsive acts as hugging strangers; an impetuous display of spending and gambling; madcap escapades
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)