adj. 25B6; adjective UNCONFIRMED, unsupported, uncorroborated, unverified, unattested, unproven; unfounded, groundless, baseless, without foundation.
UNSUBSTANTIATED
Meaning of UNSUBSTANTIATED in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012