unsubstantiated

[ uhn-suhb-stan-shee-ey-tid ]

/ ˌʌn səbˈstæn ʃiˌeɪ tɪd /

Save This Word!

See synonyms for unsubstantiated on Thesaurus.com

adjective

not substantiated; unproved or unverified: unsubstantiated allegations.

being without form or substance.

QUIZ

CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?

There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?

Question 1 of 7

Which sentence is correct?

His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

TAKE THE QUIZ TO FIND OUT

Origin of unsubstantiated

First recorded in 1765–75; un-¹ + substantiate + -ed²

Words nearby unsubstantiated

unstuck, unstudied, unsub, unsubscribe, unsubstantial, unsubstantiated, unsubtle, unsuccess, unsuccessful, unsuitable, unsuited

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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|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|DAILY BEAST
This is just the latest example of contradictory and unsubstantiated information from unnamed sources leaking from Kuala Lumpur.
Who Gagged the Search for MH370?|Clive Irving|June 22, 2014|DAILY BEAST
“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|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|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.
Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 1|Various
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 Propaganda for Reform in Proprietary Medicines, Vol. 1 of 2|Various
The claims made for Virol being unsubstantiated and unwarranted, the Council voted that the preparation be refused recognition.
The Propaganda for Reform in Proprietary Medicines, Vol. 1 of 2|Various

British Dictionary definitions for unsubstantiated

unsubstantiated

/ (ˌʌnsəbˈstænʃɪˌeɪtɪd) /

adjective

not established as valid or genuineunsubstantiated 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

unsubstantiated

Origin of unsubstantiated

Words nearby unsubstantiated

Words related to unsubstantiated

How to use unsubstantiated in a sentence

British Dictionary definitions for unsubstantiated