devil–may–care

1 having a relaxed, casual manner a devil-may-care golfer who knows that it's only a game Synonyms affable, breezy, devil-may-care, happy-go-lucky, laid-back, low-pressure, mellowRelated Words carefree, casual, dégagé, lackadaisical, nonchalant, unaffected, unconcerned, unfussy, unperturbed, untroubled, unworried; familiar, informal; flexible, lax, lenient, permissive, pliable, pliant, soft; accessible, approachable; imperturbable, nerveless, unflappable, unshakable; amicable, companionable, comradely, cordial, genial, hail-fellow-well-met, hearty, neighborly, warm, warmheartedNear Antonyms ceremonious, decorous, formal, rigid, strict; anxious, bothered, distressed, worried; jittery, jumpy, nervous, skittish, tenseAntonyms high-strung, uptight

2 having or showing a lack of concern for the consequences of one's actions the devil-may-care speed with which he drives his sports car is going to cause a lot of grief someday Synonyms daredevil, devil-may-care, foolhardy, harum-scarum, hell-for-leather, irresponsible, kamikazeRelated Words adventurous, audacious, bold, daring, venturesome; hasty, headlong, hotheaded, impetuous, precipitate, rash, wild; blithe, carefree, happy-go-lucky, madcap, slaphappy; nonchalant, unconcerned, unworried; careless, freewheeling, heedless, inattentive, incautious, mindless, regardless, unheeding, unmindful; feckless, inconsiderate, thoughtless, unthinkingNear Antonyms careful, cautious, circumspect, heedful; overcareful, overcautious, timidAntonyms responsible

3 having or showing freedom from worries or troubles the devil-may-care attitude that some people have about needlessly contributing to global warming Synonyms blithe, debonair, devil-may-care, gay, happy-go-lucky, insouciant, lighthearted, lightsome, slaphappy, unconcernedRelated Words blasé (also blase), breezy, cavalier, nonchalant; casual, easygoing, informal, laid-back, low-pressure, relaxed, unfussyNear Antonyms earnest, grave, serious, serious-minded, somber (or sombre); careful, cautious, heedful, wary; anxious, concerned, upset, worried; long-suffering, overburdened, sorrowfulAntonyms careworn