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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.

And while the knockouts keep coming, he is still unproven beyond six rounds, with his engine and endurance untested at the highest level.

From BBC

For now, the government says it will tighten up the vetting process in appointments like this and Lord Mandelson lets it be known that the prime minister's central charge against him remains unproven.

From BBC

At the event he gave sweeping, unsubstantiated advice on autism, such as insisting that pregnant women should "tough it out" and avoid Tylenol over an unproven link to autism -- statements slammed by scientists.

From Barron's

It said the suit centers on "extremely serious, though unproven, allegations against the American technology firm."

From Barron's

While they hold promise, their benefits remain unproven.

From The Wall Street Journal