
Harum-scarum
Negative Connotation
Implies a lack of consideration for consequences or others' safety.

The harum-scarum driving of the youth raised concerns among residents.
Informality
Mainly used in casual speech or informal writing, not in formal contexts.

The harum-scarum antics were amusing to his friends but not to the teacher.
Behavior Warning
Often used to caution someone about careless behavior.

Stop being so harum-scarum; you might break something!
Compare with
CarefreeFoolhardyHastyImpulsiveRashRecklessResponsibleWild
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