un·cor·rob·o·rat·ed
adjective/ˌʌnkəˈrɒbəreɪtɪd/
/ˌʌnkəˈrɑːbəreɪtɪd/
- (of a statement or claim) not supported by any other evidence; not having been corroborated
无确证的；未经证实的 Oxford Collocations DictionaryUncorroborated is used with these nouns:- testimony