devil-may-care Synonyms

imprudent heedless carefree happy-go-lucky rash reckless rakish regardless raffish risky thoughtless unthinking unwise careless of one's duty venturesome venturous daredevil freewheeling slaphappy unmindful unheeding precipitous precipitate hot-headed headlong hasty harum-scarum frivolous foolhardy careless audacious impetuous impulsive overhasty nonchalant negligent mindless irresponsible injudicious incautious inattentive adventurous