1
as in spiritual
not composed of matter
as thin and unsubstantial as the wind
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in insubstantial
being of a material lacking in sturdiness or substance
unsubstantial wisps of lace
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in weak
lacking bodily strength
an unsubstantial child who was unfit to play sports of any kind
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of unsubstantial
Still, Republicans plowed ahead with unsubstantial allegations of collusion between government officials and the company’s old regime.
—
Cat Zakrzewski and Cristiano Lima, Anchorage Daily News, 9 Feb. 2023
From a personal finance perspective, people with extra cash should feel free to put an unsubstantial portion of their wealth into high-risk, high-volatility assets like crypto or meme stocks or even Super Bowl bets (thanks for the two-touchdown performance, Cooper Kupp).
—Scott Nover, Quartz, 14 Feb. 2022
Brown dismissed it as cynical and unsubstantial.
—Lisa Mascaro, Star Tribune, 6 Mar. 2021
Plus, researchers would still have to clear the not-unsubstantial hurdle of clearing the compound for such use in humans.
—Lacy Schley, Discover Magazine, 18 July 2019
See All Example Sentences for unsubstantial
Cat Zakrzewski and Cristiano Lima, Anchorage Daily News, 9 Feb. 2023
From a personal finance perspective, people with extra cash should feel free to put an unsubstantial portion of their wealth into high-risk, high-volatility assets like crypto or meme stocks or even Super Bowl bets (thanks for the two-touchdown performance, Cooper Kupp).
—Scott Nover, Quartz, 14 Feb. 2022
Brown dismissed it as cynical and unsubstantial.
—Lisa Mascaro, Star Tribune, 6 Mar. 2021
Plus, researchers would still have to clear the not-unsubstantial hurdle of clearing the compound for such use in humans.
—Lacy Schley, Discover Magazine, 18 July 2019
See All Example Sentences for unsubstantial
Recent Examples of Synonyms for unsubstantial
Adjective
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The movement offered a more spiritual alternative to both futurism and communism.—
Tim Brinkhof,
Big Think,
12 Sep. 2025
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And there’s also a big demographic of that group that likes spiritual music of any kind — anything devotional.—
Billboard Staff,
Billboard,
12 Sep. 2025
Adjective
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Republican lawmakers and state attorneys general have challenged the basis of those recommendations, arguing that the evidence used to support them is insubstantial.—
Selena Simmons-Duffin,
NPR,
1 Aug. 2025
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Vague green claims won’t cut it anymore, as evidenced by a 2020 study from the European Commission, which found over half of environmental claims were insubstantial, misleading or unfounded.—
Alexandra Harrell,
Sourcing Journal,
2 July 2025
Adjective
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The ultrarich formula uses amino acids to reinforce weak strands, glycerin to hydrate and soften, silicones to smooth the cuticle, and coconut oil to add more moisture and shine.—
Sophia Panych,
Allure,
16 Sep. 2025
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China’s economy showed further signs of weakness last month, with key data Monday revealing factory output and consumption rising at their weakest pace for around a year.—
Nino Paoli,
Fortune,
15 Sep. 2025
Adjective
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In fact, magical life has the potential to be even more radically incorporeal than our own.—
Literary Hub,
Literary Hub,
26 June 2025
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Indeed, in stark contrast to the incorporeal nature of a digital image, each of Winant’s photographs is, in a sense, a discrete body: a fallible material entity that boasts a hidden physical history and that will compositionally deteriorate over time.—
Jessica Simmons-Reid,
Artforum,
1 June 2025
Adjective
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Missing pawns, cracked hourglass timers, and flimsy boxes have a way of sneaking up on you.—
Mary Catherine McAnnally Scott,
Southern Living,
12 Sep. 2025
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In the case of State Farm’s new NFL spot, the flimsy premise wouldn’t seem to invite multiple viewings.—
Anthony Crupi,
Sportico.com,
12 Sep. 2025
Adjective
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Brad Ingelsby’s follow-up to the much-beloved Mare of Easttown switches focus from steely women to feeble men.—
Grace Byron,
Vulture,
8 Sep. 2025
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The feeble report all but confirms a Fed interest rate cut later this month and raises at least the possibility of a half point – rather than a typical quarter point - reduction, Saunders said.—
Paul Davidson,
USA Today,
5 Sep. 2025
Adjective
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This time, Scott had a less metaphysical explanation for his torment.—
Bill Plunkett,
Oc Register,
13 Sep. 2025
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The materialist, physiological explanation for the phenomenon of panic generates a bright contrast with the philosophical and metaphysical inquiries that have Nicholas, and Clune, in their grip.—
Scott Stossel,
The Atlantic,
9 Sep. 2025
Adjective
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No matter how far-fetched the premise or gossamer-thin the story, the musical invites (compels) us to go along with its essential surrealism, to travel to that dream space where everyday life suddenly moves and sounds deliriously out of this world.—
Manohla Dargis,
New York Times,
7 May 2020
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For her label Anissa Aida, designer Anissa Meddeb, who lives in the capital, makes gossamer silk blouses evoking the striped motif of handwoven fouta towels and voluminous coats inspired by the burnoose cloaks worn by Berbers.—
Sarah Khan,
Condé Nast Traveler,
5 Feb. 2020
Cite this Entry
“Unsubstantial.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unsubstantial. Accessed 16 Sep. 2025.
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