unsubstantiated
Americanadjective
-
not substantiated; unproved or unverified.
unsubstantiated allegations.
-
being without form or substance.
adjective
Etymology
Origin of unsubstantiated
First recorded in 1765–75; un- 1 + substantiate + -ed 2
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
She is also in a quarrel with Erika Kirk over unsubstantiated claims of a conspiracy involving the US and Israeli governments in the killing of her husband.
From Barron's
South Africa's home affairs department described these accusations as "unsubstantiated".
From BBC
Paul's fights are frequently accompanied by unsubstantiated claims they are "scripted".
From BBC
As this new book is released, the autism community is also grappling with another controversy: the unsubstantiated assertion by Kennedy that Tylenol use by pregnant women poses an increased risk of autism.
From Salon
The assessment that “the evidence of abuse by the reservists appears weak” is unsubstantiated, as is Mr. Bell’s harsh accusation that military prosecutors wrongly indict Israeli soldiers to appease the Jewish state’s critics.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.