UNSUBSTANTIATED


Meaning of UNSUBSTANTIATED in English

un ‧ sub ‧ stan ‧ ti ‧ at ‧ ed /ˌʌnsəbˈstænʃieɪtəd, ˌʌnsəbˈstænʃieɪtɪd/ BrE AmE adjective

not proved to be true:

unsubstantiated allegations of child abuse

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.