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unsourced

British  
/ ʌnˈsɔːst /

adjective

  1. (of a story or quotation) not attributed to a source

"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

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Chief among them were unsourced claims that the PS5 Pro would be backwards compatible with games from previous Sony consoles - with some reports suggesting this would go as far back as the original PlayStation.

From BBC Sep. 10, 2024

“The story, which is riddled with patently false anecdotes and no concrete evidence, is entirely based on unsourced, unsubstantiated, 15-year-old anonymous gossip,” the representative said Wednesday in a statement to The Times.

From Los Angeles Times Apr. 5, 2023

This Day in History continues to share unsourced, older photos of dubious origin.

From Slate Mar. 31, 2023

An investigation into the reports, which were unsourced, found no indication of abuse.

From Seattle Times Feb. 27, 2022

Israel’s Calcalist newspaper, in an unsourced report last week, said police had used Pegasus without judges’ warrants against public figures including a son and two confidants of former Prime Minister Benjamin Netanyahu.

From Reuters Feb. 13, 2022

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