devil may care
[adjective]
Synonyms: wild, fast, gay, raffish, rakehell, rakish, sporty

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Contrasted words: careful, heedful, responsible, thoughtful
Related Words: rash, reckless

[TahlilGaran] English Synonym Dictionary ▲

ˌdevil-may-ˈcare adjective
happy and willing to take risks:
a devil-may-care attitude to life

[TahlilGaran] Dictionary of Contemporary English ▲

devil-may-care
[old-fashioned]
relaxed and not worried about the results of your actions.
He had a rather devil-may-care attitude towards money which impressed me at the time.

[TahlilGaran] English Idioms Dictionary ▲

devil may care
adj. Not caring what happens; unworried.
Johnny has a devil-may-care feeling about his school work.
Alfred was a devil-may-care youth but became more serious as he grew older.

[TahlilGaran] English Idioms Dictionary ▲