UNCHANGING
Meaning of UNCHANGING in English
/ ʌnˈtʃeɪndʒɪŋ; NAmE / adjective
that always stays the same and does not change :
unchanging truths
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005