The rumors are completely unsubstantiated and they should not be reported as factual by the newspaper.
Even though her boss had no concrete information, she was fired due to unsubstantiated rumors floating around about her.
You shouldn't believe in unsubstantiated rumors.
Unsubstantiated means not proven, or not supported by facts. "That is an unsubstantiated rumor," is an example of the word in context.
unsubstantiated
UNSUBTANTIADED
A guess.
No evidence Unsubstantiated
Alternative words for unsubstantiated include: debatable; unproven; uncertain; disputable; arguable; controversial. It means that something is uncorroborated and supported by a lack of evidence.
substantiated means the application has been supported with relevant information while unsubstantiated means no information has been given to support application
McCarthyism
Unsubstantiated Rumor Any trips that Jon Gosselin may have taken with someone other than a family member are entirely based on unsubstantiated rumor.
rumour