not substantiated; unproved or unverified: unsubstantiated allegations.
being without form or substance.
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How to use unsubstantiated in a sentence
Google antitrust case centers on consumer choice and how rivals get boxed outPichai insisted in his prepared remarks that Google is not politically biased, echoing the company’s repeated refrain to these unsubstantiated concerns.Facebook, Google, Twitter CEOs clash with Congress in pre-election showdown | Tony Romm, Rachel Lerman, Cat Zakrzewski, Heather Kelly, Elizabeth Dwoskin | October 28, 2020 | Washington Post
When it did reverse course, Dorsey explained—not entirely convincingly and thereby playing into the hands of critics—that the initial moderation choice was due to the Post story sharing personal information, rather than its unsubstantiated claims.The perils of letting social media titans correct misinformation | jakemeth | October 22, 2020 | Fortune
This election cycle, unsubstantiated voter fraud has been a campaign talking point, while voter suppression is a very real threat.Could compulsory voting save democracies in crisis? | Alexandra Ossola | October 22, 2020 | Quartz
In its responses for this story, Prospect made an array of unsubstantiated allegations about Aleman’s workplace conduct during his 12 years at the company.Investors Extracted $400 Million From a Hospital Chain That Sometimes Couldn’t Pay for Medical Supplies or Gas for Ambulances | by Peter Elkind with Doris Burke | September 30, 2020 | ProPublica
It also said it would have been “economically impossible” for Prospect to take over liability for the retirement system and called the receiver’s allegations about the company’s actions “false and unsubstantiated.”Investors Extracted $400 Million From a Hospital Chain That Sometimes Couldn’t Pay for Medical Supplies or Gas for Ambulances | by Peter Elkind with Doris Burke | September 30, 2020 | ProPublica
One commenter wrote that this unsubstantiated rumor clearly meant that “Rihanna had what was coming to her.”Why We're So Hard on Janay Rice and Celebrity Survivors of Abuse | Amy Zimmerman | September 15, 2014 | THE DAILY BEAST
This in no way changes the fact that Bryan Singer is innocent of these unsubstantiated lies.Bryan Singer Agreed to Settle Sex Abuse Lawsuit for $100,000, but Insists He’s Innocent | Tim Teeman | July 29, 2014 | THE DAILY BEAST
This is just the latest example of contradictory and unsubstantiated information from unnamed sources leaking from Kuala Lumpur.
“Whispers” in this case, means “unsubstantiated and probably made up rumors.”Solange Is Blue Ivy’s Mom and Other Crazy Conspiracy Theories | Kevin Fallon | May 15, 2014 | THE DAILY BEAST
An unsubstantiated survey reports that 15.1 million of them are still shocked that Jeff Daniels won.Emmy Awards Score Ratings High, Jon Hamm May Undergo Surgery | Culture Team | September 23, 2013 | THE DAILY BEAST
The articles seemed woven of fact, but she could not accept them unsubstantiated.To Him That Hath | Leroy Scott
The Code admits no claim unsubstantiated by documents or the oath of witnesses.
Criticism and comment on well-known and admitted facts are very different things from the assertion of unsubstantiated facts.A Public Appeal for Redress to the Corporation and Overseers of Harvard University | Francis Ellingwood Abbot
The referee challenges the therapeutic claims on the basis that they are extravagant and unsubstantiated.
The claims made for Virol being unsubstantiated and unwarranted, the Council voted that the preparation be refused recognition.
British Dictionary definitions for unsubstantiated
not established as valid or genuine: unsubstantiated allegations
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