25B6; adjective EASY-GOING, carefree, casual, free and easy, devil-may-care, blithe, nonchalant, insouciant, blasé, unconcerned, untroubled, unworried, light-hearted; informal laid-back.
anxious.
HAPPY-GO-LUCKY
Meaning of HAPPY-GO-LUCKY in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012