uncareful

aimless carefree careless feeble fustian futile good-for-nothing hopeless incautious incompetent ineffective ineffectual irresponsible meaningless reckless shiftless useless weak wild worthless

competent effective effectual efficient purposeful responsible strong useful

capricious immature thoughtless

carefree devil-may-care feckless fickle flighty fly-by-night giddy harebrained ill-considered incautious lax loose no-account rash scatterbrained shiftless unaccountable unanswerable undependable unpredictable unreliable unstable untrustworthy wild

accountable careful liable reliable responsible trustworthy

audacious brash carefree careless daring foolhardy hasty ill-advised imprudent negligent thoughtless

adventuresome adventurous any which way breakneck daredevil desperate devil-may-care fast and loose feckless harebrained headlong heedless helter-skelter hopeless hotheaded inattentive incautious inconsiderate indiscreet kooky madcap mindless overventuresome playing with fire precipitate rash regardless temerarious venturesome venturous wild

afraid attentive careful cautious discreet fearful kind meek mindful prudent reserved shy thoughtful timid wise

responsible wary