| Harum-scarum (v. t.) Wild; giddy; flighty; rash; thoughtless. Thesaurus Entries breakneck, careless, desperate, devil-may-care, furious, harum-scarum, hasty, headlong, hotheaded, hurried, impetuous, mad, overeager, overenthusiastic, overzealous, precipitant, precipitate, precipitous, reckless, slap-bang, slapdash, wanton, wild |