unsubstantiated

"He looks forward to vindicating himself in court, where such matters are decided—and not in the media—based on admissible, material evidence, not rank speculation and unsubstantiated allegations," Mr Davis continued.

Barkley said “every case is investigated” and found to be either “substantiated, unsubstantiated or unfounded.”

That first report found the allegation that a resident was left behind and rescued by her son to be unsubstantiated, due to lack of evidence.

This time, citing his “unsubstantiated and reckless personal opinions,” the laboratory rescinded the honorary titles it had bestowed, chancellor emeritus and honorary trustee.

“California voters will not be deceived by someone who consistently makes desperate, unsubstantiated attempts to dissuade Americans from participating in our democracy.”