UNRUFFLED
Meaning of UNRUFFLED in English
/ ʌnˈrʌfld; NAmE / adjective
( of a person ) calm
SYN unperturbed :
He remained unruffled by their accusations.
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005