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Showing results for insoluble. Search instead for insolublen.
Definitions

insoluble

[in-sol-yuh-buhl] / ɪnˈsɒl yə bəl /
ADJECTIVE
mysterious, unable to be solved or answered
Synonyms
WEAK
baffling difficult impenetrable indecipherable inexplicable inextricable irresolvable mystifying obscure unaccountable unconcluded unfathomable unresolved unsolvable unsolved
Antonyms
WEAK
explainable explicable obvious open solvable

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

For example, if your daily goal is 30 grams of fiber, about 20 grams should come from insoluble fiber and 10 grams from soluble fiber.

From Science Daily • Mar. 8, 2026

Purple, savoy and green cabbage are also high in insoluble fiber, which Beitchman says is “the broom of the digestive system,” allowing waste to pass through more easily.

From Salon • Feb. 21, 2026

But if a problem is insoluble, it’s not a problem anymore; it’s just the way things are.

From Salon • Dec. 31, 2024

"Ketone bodies interact with damaged and misfolded proteins directly, making them insoluble so they can be pulled from the cell and recycled."

From Science Daily • Dec. 2, 2024

Susan Calvin burst into body-racking gusts of wild laughter, “not dead—merely insane. I confronted him with the insoluble dilemma, and he broke down. You can scrap him now—because he’ll never speak again.”

From "I, Robot" by Isaac Asimov