unproven

/ ʌnˈpruːvən /

adjective

1. not established as true by evidence or demonstration

   unproven allegations

2. (of a new product, system, treatment, etc) not tried or tested

Example Sentences

But Oz is a controversial figure in the medical world whose television appearances have drawn criticism from fellow physicians who say he backs questionable alternative medicine and unproven weight loss products.

From Los Angeles Times

He was criticised during Senate hearings in 2014 for endorsing unproven pills that he said would “literally flush fat from your system” and “push fat from your belly”.

From BBC

And unless they plan to rely entirely upon unproven prospects, they’ll need to bolster their depth.

From Los Angeles Times

Why do we jeopardize the mental health of our children to gain speculative, but unproven, advantages from active-shooter drills?

From Salon

The proposal passed despite persistent objections from environmentalists who argued that storing industrial carbon emissions underground is unproven and could endanger nearby communities if there are leaks.

From Los Angeles Times

Related Words

• baseless
• deceptive
• fabricated
• false
• gratuitous
• groundless
• illogical
• misleading
• spurious
• unjustified
• unsubstantiated
• untrue
• untruthful
• unwarranted