harum scarum harum-scarum1 adv.,
informal In a careless, disorderly or reckless way.
Jim does his homework harum-scarum, and that is why his schoolwork is so poor.harum-scarum2 adj.,
informal Careless, wild, or disorderly in one's acts or performance; reckless.
Jack is such a harum-scarum boy that you can never depend on him to do anything right. [TahlilGaran] English Idioms Dictionary ▲