SUBSTANTIATED Synonyms: 180 Similar and Opposite Words

substantiated 1 of 2

adjective

as in confirmed

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Dissimilar Words

substantiated

2 of 2

verb

past tense of substantiate

as in proved

to gain full recognition or acceptance of substantiated his claim to local mountaineering fame with a photo of himself on the summit of Mount McKinley

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as in verified

to give evidence or testimony to the truth or factualness of Mr. MacGregor couldn't substantiate that it was Peter, and not some other rabbit, in the cabbage patch

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as in embodied

to represent in visible form the artist's intense feelings are substantiated by his paintings' bold colors and broad brush strokes

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disembodied

as in established

to show the existence or truth of by evidence substantiate the need for a tuition increase with some concrete figures

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as in reinforced

to provide evidence or information for (as a claim or idea) Darwin spent the rest of his life gathering evidence to substantiate his theory of the origin of species

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Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of substantiated

Adjective

Before his recent arrest, Habib had a history of substantiated misconduct complaints about excessive force and abusing his authority. — ABC News, 13 Aug. 2026 From his opinionated, passionate, and substantiated take, readers can form, centaur-like, their own AI perspectives. — Monitor Reviewers, Christian Science Monitor, 10 Aug. 2026 Before making job offers, schools would be required to check the database, accessible only to employers, for names of teachers with substantiated and credible complaints of egregious misconduct. — Holly McDede, ProPublica, 31 July 2026 One lays out regulations for the safety and care of children in foster care, and one gives courts guidelines for how to handle parental visits in cases of substantiated abuse. — Shannon Tyler may 6, Idaho Statesman, 6 May 2026 The one substantiated allegation regards office culture and is not related to any of the more serious accusations of fiscal mismanagement. — Jennah Pendleton, Sacbee.com, 30 Apr. 2026 Last year, the Colorado Department of Human Services reported 6,116 children were victims of substantiated abuse or neglect, down from 10,779 in 2021, which itself had fewer reports than average because many schools remained remote. — Meg Wingerter, Denver Post, 26 Apr. 2026 Maden has 12 substantiated allegations against him, including two in which he was charged by the Civilian Complaint Review Board and prosecuted in the NYPD trial room. — Rocco Parascandola, New York Daily News, 17 Apr. 2026 In a situation where a company finds substantiated evidence of either type of violation carried out by an indirect supplier, they are mandated to perform an ad hoc risk assessment of that body, too. — Kate Nishimura, Sourcing Journal, 3 Feb. 2026

Verb

The department will move to terminate him if the claims are substantiated, the spokesperson said. — Colin Mixson, New York Daily News, 15 Aug. 2026 For Elhawary, these unintended consequences of the 2024 legislation — substantiated only anecdotally, without concrete data — necessitated her new bill. — Tarini Mehta, Sacbee.com, 13 Aug. 2026 These rumors were never substantiated—but Harry did reference his mother’s California dreams in the 2022 Netflix docuseries Harry & Meghan, per PopSugar. — Bailey Bujnosek, InStyle, 1 Aug. 2026 Muratsuchi, who pulled language for his bill directly from the previous effort by Republican Assemblymember Kate Sanchez, said his intent was for the database to focus on egregious misconduct reports that were substantiated and credible. — Holly McDede, ProPublica, 31 July 2026 His complaint was never substantiated through formal findings. — Daniel Libit, Sportico.com, 23 July 2026 Former Legislative Inspector General Carol Pope substantiated Hampton’s allegations. — The Editorial Board, Chicago Tribune, 20 July 2026 People could only be placed on the registry after a hearing where the allegations against them were substantiated. — Matthew Kelly july 1, Kansas City Star, 1 July 2026 But while city officials have been working with Moore on minor zoning issues, none of the allegations of abuse or neglect have been substantiated, Harkey said. — Amber Gaudet, Charlotte Observer, 26 June 2026

Recent Examples of Synonyms for substantiated

Adjective

Elliott matter-of-factly told the story about his name, as well the later discovery through 23andMe of his biological father’s likely identity and the confirmed existence of many half siblings, just by pushing a button.

— Mark Pazniokas, Hartford Courant, 5 Aug. 2026
The cards have relatively flexible cancellation terms and the ability to downgrade to a smaller aircraft on a confirmed basis.

— Doug Gollan, Forbes.com, 2 Aug. 2026

Definition of confirmed

Verb

Unfortunately, pandemic restrictions on public gatherings meant there was no championship parade, and the title proved to be the lone triumph of James’ Lakers era.

— Law Murray, New York Times, 19 Aug. 2026
While the armed services have struggled with recruiting in recent years, those problems have largely eased and retention has generally proved less of a challenge, data from the armed services show.

— Steven Beynon, ABC News, 19 Aug. 2026

Definition of proved

Verb

Activists presented the figures and conclusions at Tuesday's event and were not independently verified by CBS News Atlanta as part of the rally coverage.

— Zachary Bynum, CBS News, 20 Aug. 2026
The circumstances of the strike, including who carried it out and whether those killed were involved in the hijacking, couldn't immediately be independently verified.

— ABC News, ABC News, 20 Aug. 2026

Definition of verified

Adjective

The digitally native activewear brand, which surpassed $1 billion in revenue in 2025, is confident in its proven US retail model to drive global growth.

— Mark Faithfull, Forbes.com, 17 Aug. 2026
Bowen and Manor Solomon, a new signing from Tottenham Hotspur, are the only proven wingers currently available to Nuno, while Castellanos and Pablo are the main forward options.

— Roshane Thomas, New York Times, 15 Aug. 2026

Definition of proven

Verb

Numerous studies have demonstrated the importance of strength training as well.

— Katia Hetter, CNN Money, 14 Aug. 2026
The Hormuz crisis demonstrated the strategic value of the United States’ transformation from a major oil importer into a leading producer and exporter.

— Jason Bordoff, Foreign Affairs, 14 Aug. 2026

Definition of demonstrated

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“Substantiated.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/substantiated. Accessed 22 Aug. 2026.

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Synonyms of substantiated

adjective

verb

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