unauthentic

Do you consider the names of the seventy-two elders also unauthentic?

Besides, many of his statements that were wont to be treated as altogether unauthentic have been vindicated by later research.

If the history of William Tell itself is unauthentic, we must not demand authenticity for its visible memorials and sites.

But Sir W. Muir chooses the latter uncertain and unauthentic traditions.

Legends are told of Robin's scorned defiance of the laws, but they are intangible and unauthentic.