adj. 25B6; adjective UNWORRIED, unperturbed, unconcerned, unruffled, undismayed, unbothered, unagitated, unflustered; insouciant, nonchalant, blasé, carefree, serene, relaxed, at ease, happy-go-lucky; informal laid-back.
UNTROUBLED
Meaning of UNTROUBLED in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012