UNPRECEDENTED


Meaning of UNPRECEDENTED in English

/ ʌnˈpresɪdentɪd; NAmE / adjective

that has never happened, been done or been known before :

The situation is unprecedented in modern times.

►  un·pre·ced·ent·ed·ly adverb :

a period of unprecedentedly high food prices

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.