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
That’s a smart way of dramatizing two massive, insoluble questions: whether artificial intelligence can possess free will and whether free will is itself an illusion.
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Chris Klimek, Vulture, 4 Sep. 2024
Wheat bran, whole-wheat flour, cauliflower, potatoes, and green beans are all great sources of insoluble fiber.5
2.
—Anna Meyer, Cpt, Health, 16 Oct. 2024
The legumes contain both kinds of fiber—soluble and insoluble.
—Sarah Scott, Verywell Health, 22 Oct. 2024
Soluble fiber supports a healthy gut microbiome, and insoluble fiber helps maintain regular bowel movements.
—Anna Meyer, Cpt, Health, 16 Oct. 2024
See all Example Sentences for insoluble 
Chris Klimek, Vulture, 4 Sep. 2024
Wheat bran, whole-wheat flour, cauliflower, potatoes, and green beans are all great sources of insoluble fiber.5
2.
—Anna Meyer, Cpt, Health, 16 Oct. 2024
The legumes contain both kinds of fiber—soluble and insoluble.
—Sarah Scott, Verywell Health, 22 Oct. 2024
Soluble fiber supports a healthy gut microbiome, and insoluble fiber helps maintain regular bowel movements.
—Anna Meyer, Cpt, Health, 16 Oct. 2024
See all Example Sentences for insoluble
Thesaurus Entries Near insoluble
Cite this Entry
“Insoluble.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insoluble. Accessed 22 Dec. 2024.
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