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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Recent Examples of insoluble
There’s also the rarer insoluble fiber supplements, which don’t dissolve, form a gel, or get fermented, like calcium polycarbophil (FiberCon) and wheat bran.
—
Erica Sloan, SELF, 19 Feb. 2025
Some research suggests that the laxative aspect of certain fibers (say, insoluble types) could worsen symptoms like diarrhea.
—Erica Sloan, SELF, 19 Feb. 2025
Each pulse or lentil has different ratios of soluble and insoluble fibers.
—Merve Ceylan, Health, 11 Feb. 2025
Improve Digestive Health The insoluble fiber (the fiber that can't dissolve in water) in hazelnuts can help the intestines absorb water and increase the bulk of waste products, speeding their passage and expulsion.
—Heather Jones, Verywell Health, 28 Jan. 2025
See All Example Sentences for insoluble
Erica Sloan, SELF, 19 Feb. 2025
Some research suggests that the laxative aspect of certain fibers (say, insoluble types) could worsen symptoms like diarrhea.
—Erica Sloan, SELF, 19 Feb. 2025
Each pulse or lentil has different ratios of soluble and insoluble fibers.
—Merve Ceylan, Health, 11 Feb. 2025
Improve Digestive Health The insoluble fiber (the fiber that can't dissolve in water) in hazelnuts can help the intestines absorb water and increase the bulk of waste products, speeding their passage and expulsion.
—Heather Jones, Verywell Health, 28 Jan. 2025
See All Example Sentences for insoluble
Recent Examples of Synonyms for insoluble
Adjective
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As is often the problem with biopics of all kinds — jukebox musical or not — the sheer scope of a life is impossible to capture in a mere 2 hour runtime.—
Shania Russell,
EW.com,
27 Apr. 2025
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And after dark, the dealers were impossible to miss: short young men in hoodies and women in pajama pants, slinking around corners with side packs.—
Jason Motlagh,
Rolling Stone,
27 Apr. 2025
Adjective
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Feeling hopeless in her quest to stop Crawford and help Delia get her life back, Elsbeth confronts the boastful judge, who is riding high on his rising star and his triumph over her.—
Hunter Ingram,
Variety,
25 Apr. 2025
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Chelsea Smith thought that celebrities, feeling empty and hopeless even with all their success, could benefit from the Gospel.—
Martha Ross,
Mercury News,
24 Apr. 2025
Cite this Entry
“Insoluble.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insoluble. Accessed 3 May. 2025.
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