/ ˌʌnˈdeɪtɪd; NAmE / adjective
1.
without a date written or printed on it :
an undated letter
2.
of which the date is not known :
undated archaeological remains
—compare dated
/ ˌʌnˈdeɪtɪd; NAmE / adjective
1.
without a date written or printed on it :
an undated letter
2.
of which the date is not known :
undated archaeological remains
—compare dated
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005