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Synonyms

unproven

British  
/ 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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Critics add that the causal link between social media and teen mental-health problems remains unproven.

From The Wall Street Journal

"Families cannot trust this inquiry to an unproven process as it is too important to fail, yet we won't get a second chance," Winser-Ramm said.

From BBC

In 2018, bitcoin fell 80% from its peak after the initial coin offering bubble burst, ending an era in which thousands of unproven startups raised billions of dollars with little more than a sales pitch.

From The Wall Street Journal

It is also a wager on unproven technology deployed at a vast scale.

From The Wall Street Journal

Prof Bryan Williams, from the British Heart Foundation, suggested many people were missing out on statins due to stories around unproven possible side effects.

From BBC