unproven

Meanings

1. 1
   adj

   not demonstrated to be true, valid, or effective

   The report relies on an unproven assumption about voter behavior.

2. 2
   adj

   not yet tested or established through experience

   Investors were cautious about the company's unproven technology.

Formed from un- + proven, the past participle of prove. Proven entered English as a Scots legal form before becoming common as an adjective.

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