Big Huge Thesaurus

harum-scarum

adjective

• carefree
• devil-may-care
• freewheeling
• happy-go-lucky
• slaphappy

similar terms

• irresponsible

adverb

• pell-mell

noun

• daredevil
• madcap
• hothead
• swashbuckler
• lunatic
• adventurer
• venturer