беззаботный angolul

blithe▼(casually careless or indifferent; showing a lack of concern)
adjective
[UK: blaɪð] [US: ˈblaɪð]

carefree▼(worry free, light hearted, etc.)
adjective
[UK: ˈkeə.friː] [US: ˈker.ˌfri]

devil-may-care▼(carefree)
adjective
[UK: ˌdevl meɪ ˈkeə(r)] [US: ˌdevl meɪ ˈkeər]

easygoing▼(casual and informal)
adjective
[UK: ˌiː.zɪ.ˈɡəʊɪŋ] [US: ˌiː.zɪˈɡo.ʊɪŋ]

happy-go-lucky▼(carefree)
adjective
[UK: ˌhæp.i ɡəʊ ˈlʌk.i] [US: ˌhæp.i ɡoʊ ˈlʌk.i]

insouciant▼(casually unconcerned, see also: carefree; nonchalant)
adjective
[UK: ɪn.ˈsuː.sɪənt] [US: ɪn.ˈsuː.sɪənt]

lighthearted▼(enjoyable lack of seriousness)
adjective
[UK: ˈlaɪt.ˌhɑː.təd] [US: ˈlaɪt.ˌhɑːr.təd]