verb (used with object), au·then·ti·cat·ed, au·then·ti·cat·ing.
Origin of authenticate
Examples from the Web for unauthenticated
I think it will herein be made out, that his case has been founded on spurious and unauthenticated records.Junius Unmasked|Joel Moody
I have only control of a few people whom I suspect, unauthenticated documents, and mere suspicions.
However all this may really have been, there is no question of the genuineness of this unauthenticated narrative.
This experiment is unauthenticated, but if verified would certainly be most conclusive in favour of the view adopted above.The Action of Medicines in the System|Frederick William Headland
There was an unauthenticated rumour that he had been seen of late, lurking about Wanley.Demos|George Gissing
British Dictionary definitions for unauthenticated
Word Origin and History for unauthenticated
"verify, establish the credibility of," 1650s, from Medieval Latin authenticatus, past participle of authenticare, from authenticus (see authentic). Related: Authenticated; authenticating.