uncorroborated
adjectiveUK /ˌʌn.kəˈrɒb.ə.reɪ.tɪd/
US /ˌʌn.kəˈrɑː.bə.reɪ.t̬ɪd/
Not proven true by other evidence.
The police could not act on the uncorroborated story of a single witness.
OTHER MEANINGS
2. Not backed up by a second source or witness.
Her account remained uncorroborated despite repeated interviews.
3. Lacking independent confirmation in a scientific or legal setting.
The finding was dismissed as uncorroborated by the review board.
4. Standing alone without supporting proof or documentation.
An uncorroborated claim should be treated with caution.