harum-scarum
Meanings
- a reckless impetuous irresponsible person
- cheerfully irresponsible;
- "carefree with his money"
- "freewheeling urban youths"
- "had a harum-scarum youth"
- in a wild or reckless manner;
- "dashing harum-scarum all over the place"
- "running pell-mell up the stairs"