listen to the pronunciation of harum-scarum
Englisch - Englisch
wildly, carelessly, irresponsibly

for he never looked after anything at all, but harum-scarum called for everything as if we were conjurors, or he in a public-house.

wild, careless, irresponsible

Lester's good heart will be to hear that little Peter is so improved;--no longer a dissolute, harum-scarum fellow, throwing away his money, and always in debt.

in a wild or reckless manner; "dashing harum-scarum all over the place"; "running pell-mell up the stairs
{s} careless, disorganized; reckless
Wild; giddy; flighty; rash; thoughtless