careless inattentive asleep reckless thoughtless unaware unobservant unwary heedless incautious indiscreet negligent rash unguarded unmindful daredevil foolhardy irresponsible precipitate hasty ignorant madcap unconscious wild headlong oblivious uninformed unknowing impetuous mindless audacious imprudent impulsive unsuspecting overconfident unenlightened unperceptive innocent temerarious unheeding overbold overhasty insensible unwitting precipitous daring nescient tearaway deaf blind misguided regardless injudicious venturesome unresponsive unthinking unwise venturous unconsidered brash unfamiliar undiscerning clueless unacquainted insensitive uninstructed unsmart indifferent neglectful unsafe foolish distracted remiss absent unconcerned casual absentminded inobservant abstracted dreamy lackadaisical inconsiderate complacent unfocussed unfocused cavalier slack lax preoccupied disregarding nonchalant improvident unprepared bold certain unwatchful neglecting unworried carefree forgetful