Synonyms of devil-may-care

adjectiveCarefree, reckless, irresponsible.

• happy-go-luckyCarefree or untroubled.
• heedlessUnaware; without noticing; careless; inattentive.
• imprudentNot prudent; lacking prudence or discretion; indiscreet; injudicious; not paying attention to the consequences of one's...
• rashActing too quickly without considering the consequences and risks; not careful; hasty.
• airy
• at ease
• at peace
• carefreeWithout cares or worries; free of concern or worries; without difficulty.
• casualCareless.
• chillCalm, relaxed, easygoing.
• cool
• easy-breezyLaid-back and uncomplicated.
• easygoingCalm, relaxed, casual and informal.
• indifferentIndicating or reflecting a lack of concern or care.
• insouciantCasually unconcerned; carefree, indifferent, nonchalant.
• laid-backRelaxed and easy‐going; demonstrating an absence of stress or worry.
• leisurelyCharacterized by leisure; taking plenty of time; unhurried.
• lightheartedEnjoyably lacking of seriousness, not grave.
• loose
• mellowCheerful, genial, jovial, merry; also, easygoing, laid-back, calm, relaxed.
• offhand
• nonchalant
• pococuranteApathetic, indifferent or nonchalant.
• relaxedFree from tension or anxiety; at ease; leisurely.
• sereneWithout worry or anxiety; unaffected by disturbance.
• soluteRelaxed; hence, cheerful, merry.
• tranquil
• unanxiousNot anxious.
• unbotheredNot bothered, serene.
• unconcernedNot anxious, apprehensive, or worried.
• undisturbed
• unruffled
• untroubledWithout worries; free from care.
• unworriedFree of worries.
• daring
• headstrongDetermined to do as one pleases, and not as others want.
• impetuous
• impulsive
• precipitantInclined to make rapid decisions without due consideration; hasty, impulsive, rash.
• precipitateWith a hasty impulse; hurried; headstrong.
• precipitous
• quick-and-dirtyDone or constructed in a hasty, approximate, temporarily adequate manner, but not exact, fully formed, or reliable for...
• reckless
• sudden
• temeritousHaving temerity; displaying disdain or contempt for danger.
• careless archaicFree from care; unworried, without anxiety.
• wanton obsoletePlayful, sportive; merry or carefree.