- past tense form of substantiate.
- past participle of substantiate.
substantiated
Americanadjective
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established by proof or competent evidence.
A single substantiated case of abuse involving our personnel is one case too many.
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made tangible or concrete.
According to the Apostle Paul, Christ is the substantiated ideal of the spiritual man.
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affirmed as being solid or substantial rather than slight or flimsy; given substance.
The two actors have tons of chemistry—not the touchy-feely, gee-we're-in-love type, but a more substantiated relationship that comes from within.
verb
Etymology
Origin of substantiated
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.
Evan Hubinger, who leads the division of Anthropic aimed at aligning AI models to human interests, added fuel to concerns this week in a post that substantiated Coxon’s concerns.
From Los Angeles Times ● Sep. 11, 2026
If a claim is substantiated, the plagiarist is seen as sloppy or lazy at best, and fundamentally dishonest at worst.
From Salon ● Aug. 23, 2026
"No court, no agency has ever substantiated any allegation of abuse against me," Miller said in a video posted Sunday, insisting he would remain in the race and win.
From Barron's ● Aug. 3, 2026
It said the claims had been investigated by authorities in several jurisdictions which, according to BGC, had not substantiated the allegations.
From BBC ● Jul. 14, 2026
And I would read him the letter—reading slowly and pronouncing each word with extreme care—telling him that his claims for a pension had not been substantiated and that his application had been rejected.
From "Black Boy" by Richard Wright
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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.