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

By contrast, unproven supplements or treatments that claim to boost the immune system could do more harm than good.

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“Yet, all of these projects are quite unproven.”

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However, Mr Hibberd said it relied too heavily on unproven technologies, and that planned passenger growth would cancel out any success.

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An allegation that Sgt Hume's comments indicated a clear intention to minimise and not record levels of force used in custody was found to be unproven.

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He was well-read and intelligent, but young and unproven.

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Related Words

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