unproven

/ (ʌnˈpruːvən) /

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adjective

not established as true by evidence or demonstrationunproven allegations

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

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Words nearby unproven

unprotected, unprotected sex, unprotesting, unproud, unproved, unproven, unprovided, unprovoked, unpublished, unpublished work, unpunished

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

How to use unproven in a sentence

Anti-abortion organizations tend to tend to propagate the idea that the procedure is dangerous and unproven.
Abortion Complications Are Rare, No Matter What the Right Says|Samantha Allen|December 8, 2014|DAILY BEAST
The notion that Ebola might be a sexually transmitted disease remains plausible if unproven.
Did One Liberian Prostitute Give Ebola to Eight Soldiers?|Kent Sepkowitz|October 7, 2014|DAILY BEAST
But last week the idea that sometimes we should say no to unproven technology was finally given a hearing.
Can Fitbit Data Save Lives?|Daniela Drake|August 26, 2014|DAILY BEAST
While CBS is taking a gamble on a relatively unknown (and unproven) talent, to many critics this decision was all too predictable.
Late Night Adds Another White Dude: James Corden Replacing Craig Ferguson at ‘The Late Late Show’|Amy Zimmerman|August 5, 2014|DAILY BEAST

[It] is ludicrous to make such a risky and unproven view the centerpiece of European science policy.
The Science Community’s Fight Over an Artificial Brain|Elizabeth Picciuto|July 10, 2014|DAILY BEAST
Is it scientific to accept as true an unproven theory and make it the basis of all belief?
The Other Side of Evolution|Alexander Patterson
In short, so far from being a great universal philosophy, it is simply a disjointed combination of unproven theories.
The Other Side of Evolution|Alexander Patterson
It is a fine old tree, and it is not improbable—though it is unproven—that it dates back to the first settlement of Natick.
Bay State Monthly, Volume I, No. 2, February, 1884|Various
The evidence that antimony was really there was not satisfactory, and that twenty grains were in the stomach wholly unproven.
Lippincott's Magazine of Popular Literature and Science|Various
To entrust a confidence to one of unproven sympathy, is to risk a profitless embarrassment.
Apologia Diffidentis|W. Compton Leith

unproven

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How to use unproven in a sentence