Not reasoned or considered; rash

an unconsidered remark.

without proper consideration or reflection; "slovenly inconsiderate reasoning"; "unconsidered words"; "prejudice is the holding of unconsidered opinions"[syn: inconsiderate ]

adjective

brash , foolhardy , harum-scarum , hasty , headlong , hotheaded , ill-considered , impetuous , improvident , impulsive , incautious , madcap , precipitant , precipitate , reckless , slapdash , temerarious