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Synonyms for Carefree (same or very similar meaning)

WordNet sense 1 (free of trouble and worry and care):
unworried

WordNet sense 2 (not beset by troubles or disturbance or distress):
untroubled

WordNet sense 3 (cheerfully irresponsible):
devil-may-care, freewheeling, happy-go-lucky, harum-scarum, slaphappy


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