adjective
1.
Synonyms: happy-go-lucky , free-minded, insouciant, lighthearted, lightsome
2.
Synonyms: irresponsible , careless, feckless, incautious, reckless, uncareful, wild
CAREFREE
Meaning of CAREFREE in English
Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003