UNWELL
Meaning of UNWELL in English
/ ʌnˈwel; NAmE / adjective
[ not before noun ] (rather formal ) ill / sick :
She said she was feeling unwell and went home.
OPP well
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005