definition of
harum-scarum

[1] #1 harum-scarum n. [daredevil, madcap, hothead, swashbuckler, lunatic] a reckless impetuous irresponsible person. wn

[2] #2 harum-scarum s. [carefree, devil-may-care, freewheeling, happy-go-lucky, slaphappy] cheerfully irresponsible; "carefree with his money"; "freewheeling urban youths"; "had a harum-scarum youth". wn

[3] #3 harum-scarum r. [pell-mell] in a wild or reckless manner; "dashing harum-scarum all over the place"; "running pell-mell up the stairs". wn