unsubstantiated

Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++un·sub·stan·ti·at·ed /ˌʌnsəbˈstænʃieɪtɪd/ adjective not proved to be true 未被证明的，未经证实的 unsubstantiated allegations of child abuse 未经证实的虐待儿童的指控

Examples from the Corpus

unsubstantiated• Beccaria's assumption of the special effectiveness of proportional deterrence is unsubstantiated.• However, recent research has shown that this particular anecdote is unsubstantiated.• So, not only is conductive education theoretically unproven but also practically unsubstantiated.• The question of rumour and unsubstantiated allegation is a much broader one.• It was time to deploy Dexter's tactic of unsubstantiated allegation.• Pathetic effort, the story's unusable, nothing more than an unsubstantiated libel.• unsubstantiated reports• Clearly the President's enemies are itching to believe unsubstantiated stories that could hurt him.