un·prov·en | \ ˌən-ˈprü-vən , British also -ˈprō- \

Definition of unproven 

: not tested and shown to be good, true, or useful : not proven an unproven allegation/theory unproven benefits unproven technology

Examples of unproven in a Sentence

Recent Examples on the Web

However, bravely, the still unproven boss persisted. SI.com, "90Min World Cup Fan Diaries: Starting to Believe," 8 July 2018 The Breakthrough Starshot team’s goal will rely on a number of as-yet unproven technologies. Scientific American, "Astronomy at the Speed of Light," 3 July 2018 Lagerald Vick’s return to Kansas' basketball team — on paper at least — may alleviate possible concern about the 2018-19 Jayhawks’ unproven perimeter shooting. Gary Bedore, kansascity, "'Proven college shooter' Vick could help KU's outside attack; Aldrich cut by Wolves," 30 June 2018 Burton, meanwhile, is unproven as a full-time player and particularly as a blocker. Rich Campbell, chicagotribune.com, "Had to be 'U': Tight end Trey Burton's transformative position in the Bears offense," 13 July 2018 But the heart of the narrative boils down to two basic unproven accusations: The Russians did it, and Polish political opponents of Mr. Kaczynski deliberately conducted an inadequate investigation to cover up their own negligence. Marc Santora, New York Times, "After a President’s Shocking Death, a Suspicious Twin Reshapes a Nation," 16 June 2018 Monsanto and related industry groups claim that the link remains unproven. Lucas Laursen, Fortune, "Why Monsanto Could Soon Get Hit With a Flood of Cancer-Related Lawsuits," 11 July 2018 One possible, though unproven, explanation was that dogs ate rotting mussels with a deadly bacteria. Tim Prudente, baltimoresun.com, "Explosion of false dark mussels revives hopes for clearer waters and concern for dogs in Anne Arundel County," 11 July 2018 Such are the perils of an unproven bullpen – and one that has been touched by injuries to the two pitchers who, entering this season, were its most experienced members. Mike Sielski, Philly.com, "Gabe Kapler isn't God, and the Phillies bullpen has few good options | Mike Sielski," 26 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unproven.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of unproven

1563, in the meaning defined above

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Last Updated

18 Sep 2018

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The first known use of unproven was in 1563

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More Definitions for unproven


un·prov·en | \ ˌən-ˈprü-vən \

Legal Definition of unproven 

: not proven an unproven allegation

More from Merriam-Webster on unproven

Spanish Central: Translation of unproven

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