From Longman Dictionary of Contemporary Englishdevil-may-careˌdevil-may-ˈcare adjectiveCARELESShappy and willing to take risks
a devil-may-care attitude to lifeExamples from the Corpusdevil-may-care• Still, he was ever devil-may-care.• In six years she had never been able to cultivate that devil-may-careattitude that seemed to characterise the gentleman at the Feathers.• I had a devil-may-care attitude to my athletics.• In them he perceives a devil-may-care attitude which is attractive to him.• She just didn't have Mandy's devil-may-carecharm.• However, to many devil-may-careyoung people London in the blitz was a place of exhilaration and excitement.devil-may-care attitude• a reckless, devil-may-care attitude• In six years she had never been able to cultivate that devil-may-care attitude that seemed to characterise the gentleman at the Feathers.• I had a devil-may-care attitude to my athletics.• In them he perceives a devil-may-care attitude which is attractive to him.