1. (

• daredevil ,
• madcap ,
• hothead ,
• swashbuckler ,
• lunatic ,
• harum-scarum

) a reckless impetuous irresponsible person ;

1. (

• carefree ,
• devil-may-care ,
• freewheeling ,
• happy-go-lucky ,
• harum-scarum ,
• slaphappy

) cheerfully irresponsible; "carefree with his money"; "freewheeling urban youths"; "had a harum-scarum youth" ;

1. (

• harum-scarum ,
• pell-mell

) in a wild or reckless manner; "dashing harum-scarum all over the place"; "running pell-mell up the stairs" ;