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
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 unsubstantial
The algorithm fed the Giants pitcher a savory yet unsubstantial diet of short-form content.
—
Justice Delos Santos, Mercury News, 31 Mar. 2025
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
See All Example Sentences for unsubstantial
Justice Delos Santos, Mercury News, 31 Mar. 2025
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
See All Example Sentences for unsubstantial
Recent Examples of Synonyms for unsubstantial
Adjective
-
There was something about it that felt spiritual.—
Outside,
Outside,
10 Mar. 2026
-
The discovery of ancestral remains on their traditional territory carries profound cultural and spiritual weight.—
Ryan Brennan,
Charlotte Observer,
9 Mar. 2026
Adjective
-
Scarlet’s good intentions to end wars by way of sheer determination to do what’s right might prove insubstantial in practice.—
Carlos Aguilar,
Los Angeles Times,
6 Feb. 2026
-
Oliver Rackham, the great historian of the British countryside, devoted a not insubstantial portion of his career to rebutting this claim, noting that there is no evidence whatsoever to suggest that these punishments were ever carried out.—
Rosa Lyster,
Harpers Magazine,
30 Dec. 2025
Adjective
-
The United States is, to her knowledge, the only country maintaining such a ban for nearly a century via Section 307 of the 1930 Tariff Act—even in its weaker form with the domestic consumption loophole.—
Jasmin Malik Chua,
Sourcing Journal,
13 Mar. 2026
-
Lessons from gold and small-caps The recent spike in oil prices has not resulted in spectacular gains for gold investors fueled by a weaker dollar, as was the case in 1973.—
Joseph Wilkins,
CNBC,
13 Mar. 2026
Adjective
-
Positioned as a large-scale genre event, the series updates the legendary SFX property with a contemporary political and social edge, with Shun Oguri leading the cast as a detective hunting a seemingly incorporeal killer.—
Patrick Brzeski,
HollywoodReporter,
27 Jan. 2026
-
In fact, magical life has the potential to be even more radically incorporeal than our own.—
Literary Hub,
Literary Hub,
26 June 2025
Adjective
-
The second priciest option on our list, Alpert notes that the silhouette gives more of a house shoe vibe than traditional slipper qualities, and while there’s no tread, the soles don’t feel flimsy.—
Julia Harrison,
Architectural Digest,
10 Mar. 2026
-
My first pair of Hunter rain boots actually came from my grandmother, who has an incredibly sharp eye for great shoes (and zero patience for flimsy ones).—
Jessica Chapel,
Condé Nast Traveler,
9 Mar. 2026
Adjective
-
Congress has for the most part registered only feeble and ineffective opposition to such executive action.—
Sarah Burns,
The Conversation,
4 Mar. 2026
-
Scratches above the dead body reach upward, marks that read as feeble attempts to cling to some semblance of life.—
Anel Rakhimzhanova,
Artforum,
1 Mar. 2026
Adjective
-
In the summer of 2023, the original organizers of what would become the Denver Summit NWSL franchise had a hunch—more like metaphysical certitude, really—that a massive untapped market existed for professional women’s soccer in the Mile High City.—
Luke Cyphers,
Sportico.com,
12 Mar. 2026
-
In those earlier pictures, metaphysical conceits became visual and dramatic gambits as the filmmakers set out to colonize the vast interior worlds of, respectively, the mind and the spirit.—
Justin Chang,
New Yorker,
6 Mar. 2026
Adjective
-
The type of memory flashbacks that are shot at knee level, gauzy and out of focus, with a gossamer visual touch to conjure whispering, buried emotions of the past.—
Ryan Lattanzio,
IndieWire,
17 Feb. 2026
-
Perverts By turns a budding chart sensation, a political firebrand, and an enthusiastic cataloguer of cryptids, Ethel Cain interrupts a stream of gossamer pop, folk, and rock records with Perverts, a droning rejection of the accessibility of her 2022 Billboard top-ten debut Preacher’s Daughter.—
Craig Jenkins,
Vulture,
2 Dec. 2025
Cite this Entry
“Unsubstantial.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unsubstantial. Accessed 14 Mar. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
