as in impossible
incapable of being solved or accomplished
the seemingly insoluble mystery concerning the identity of the people who built these ancient structures
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Example Sentences
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Recent Examples of insoluble
Questions the younger Kant had answered glibly were now declared insoluble.
—
Shai Tubali, Big Think, 30 Sep. 2025
There are two types of dietary fiber: soluble and insoluble.
—Jacqueline Howard, CNN Money, 12 Sep. 2025
Whole foods rich in both soluble and insoluble fiber include oats, prunes, kiwis, legumes, leafy vegetables, pears and whole grains.
—Daryl Austin, USA Today, 6 Sep. 2025
Resolution of this tragic dynamic appears insoluble.
—David Marks, The Orlando Sentinel, 8 Aug. 2025
See All Example Sentences for insoluble
Shai Tubali, Big Think, 30 Sep. 2025
There are two types of dietary fiber: soluble and insoluble.
—Jacqueline Howard, CNN Money, 12 Sep. 2025
Whole foods rich in both soluble and insoluble fiber include oats, prunes, kiwis, legumes, leafy vegetables, pears and whole grains.
—Daryl Austin, USA Today, 6 Sep. 2025
Resolution of this tragic dynamic appears insoluble.
—David Marks, The Orlando Sentinel, 8 Aug. 2025
See All Example Sentences for insoluble
Recent Examples of Synonyms for insoluble
Adjective
-
Even underground facilities are usually impossible to build in these places, because the construction sites get targeted.—
Robert F. Worth,
The Atlantic,
19 Oct. 2025
-
Each junction behaves slightly differently, forming a complex 3D network that is impossible to exactly replicate.—
Rupendra Brahambhatt,
Interesting Engineering,
19 Oct. 2025
Adjective
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To summarize, the protagonist, lost in hopeless days, eventually stumbles upon a deserted dance hall.—
Billboard Japan,
Billboard,
17 Oct. 2025
-
The movie, which premiered in the midnights section of the Toronto International Film Festival, follows a hopeless romantic who makes a Faustian bargain to win his crush’s heart.—
Rebecca Rubin,
Variety,
14 Oct. 2025
Cite this Entry
“Insoluble.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insoluble. Accessed 24 Oct. 2025.
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