Main entry: daredevil, harum-scarum, hothead, swashbuckler, lunatic, madcap
Definition: a reckless impetuous irresponsible person
Main entry: devil-may-care, slaphappy, happy-go-lucky, harum-scarum, carefree, freewheeling
Definition: cheerfully irresponsible
Usage: carefree with his money; freewheeling urban youths; had a harum-scarum youth
Main entry: harum-scarum, pell-mell
Definition: in a wild or reckless manner
Usage: dashing harum-scarum all over the place; running pell-mell up the stairs