Synonyms of solublenext
1
: susceptible of being dissolved in or as if in a liquid and especially water
2
: subject to being solved or explained
soluble questions

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Soluble looks like a word that should be confined to chemistry labs, though it's often used by nonchemists as well to describe substances that can be dissolved in liquids. On the other hand, the sense of soluble meaning "solvable" is also quite common. In this sense, soluble, like its opposite, insoluble, is usually paired with problem. If only all life's problems were soluble by stirring them in a container filled with water.

Examples of soluble in a Sentence

Sugar is soluble in water. one murder case that proved to be soluble after all
Recent Examples on the Web
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.
Both soluble and insoluble fiber are important for gut health. — Jackie Flynn Mogensen, Scientific American, 5 Oct. 2026 Plums contain both soluble and insoluble fiber, but soluble fiber may be especially helpful for cholesterol. — Kathleen Ferraro, Verywell Health, 4 Oct. 2026 In a soluble protein, all of the pure hydrocarbon side chains end up packed into the center, while the acids, bases, and hydroxyl-containing side chains face the water. — ArsTechnica, 30 Sep. 2026 Thanks to their high levels of mostly soluble dietary fiber and resistant starch, chickpeas have a probiotic effect, acting as an energy source and encouraging the growth of beneficial bacteria in the gut microbiome. — Randi Gollin, Martha Stewart, 25 Sep. 2026 See All Example Sentences for soluble

Word History

Etymology

Middle English, from Anglo-French, digestible, laxative, from Late Latin solubilis, from Latin solvere to loosen, dissolve — more at solve

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of soluble was in the 15th century

Cite this Entry

“Soluble.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/soluble. Accessed 14 Oct. 2026.

Kids Definition

soluble

adjective
1
: capable of being dissolved in a liquid
sugar is soluble in water
2
: capable of being solved or explained : solvable
a soluble problem

Medical Definition

soluble

adjective
1
: susceptible of being dissolved in or as if in a fluid
2
: capable of being emulsified
a soluble oil
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