Meaning of UNPERTURBED in English

UNPERTURBED

adj. 25B6; adjective UNTROUBLED, undisturbed, unworried, unconcerned, unmoved, unflustered, unruffled, undismayed; calm, composed, cool, collected, unemotional, self-possessed, self-assured, level-headed, unfazed, laid-back.

Concise Oxford thesaurus English vocabulary.      Краткий оксфордский словарь английского языка тезаурус.