1
as in spiritual
not composed of matter
as thin and unsubstantial as the wind
Synonyms & Similar Words
Relevance
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
Salads Salads don’t have to feel flimsy or unsubstantial.
—
Katie Workman, San Diego Union-Tribune, 6 Sep. 2023
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
See All Example Sentences for unsubstantial
Katie Workman, San Diego Union-Tribune, 6 Sep. 2023
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
See All Example Sentences for unsubstantial
Recent Examples of Synonyms for unsubstantial
Adjective
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If this group of hardened degenerates was able to enjoy the action at this level, who, exactly, are the spiritual victims of sports betting?—
Jay Caspian Kang,
New Yorker,
7 Nov. 2025
-
This could look like spontaneous travel plans, shifting your career focus or even a spiritual awakening.—
Valerie Mesa,
PEOPLE,
7 Nov. 2025
Adjective
-
Where Aytaç was large but poised, Abdi was insubstantial, scrawny, and unsteady on his feet.—
David Wingrave,
Harpers Magazine,
24 Oct. 2025
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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
Adjective
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Western countries could exploit weak points in supply chains for many of Russia's advanced fighter jets, including by tightening up sanctions as Ukraine strikes Russia's industrial facilities, according to a new report.—
Ellie Cook,
MSNBC Newsweek,
11 Nov. 2025
-
Respiratory difficulty, constipation, poor feeding, drooping eyelids and a weak and altered cry are among the symptoms of infant botulism.—
Chad Murphy,
Cincinnati Enquirer,
10 Nov. 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
-
These characters are so thin, their storylines so flimsy and their motives so underbaked that there’s no recognizable emotion underlying any of it, and thus no feeling to be provoked by watching it.—
Angie Han,
HollywoodReporter,
4 Nov. 2025
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Miami essentially wants to will a power running game into existence when SMU’s flimsy pass defense suggested a different approach had a greater chance of success.—
Barry Jackson,
Miami Herald,
3 Nov. 2025
Adjective
-
And honestly, what could be more feeble?—
Literary Hub,
Literary Hub,
7 Nov. 2025
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Their calculations show that a feeble interaction between the inflaton field and elementary particles called gluons would be sufficient to warm up inflation.—
Stephanie Pappas,
Scientific American,
27 Oct. 2025
Adjective
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Beverly, a waitress who had another daughter and then a son in the two years after Smith was born (and eventually one more daughter), had little time for her eldest’s metaphysical ponderings.—
Amy Weiss-Meyer,
The Atlantic,
31 Oct. 2025
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The film follows a young couple (Qualley and Starkey), who inherit a farm in rural Arkansas and must conquer the demons, both physical and metaphysical, that haunt its legacy.—
Justin Kroll,
Deadline,
31 Oct. 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 15 Nov. 2025.
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