sol·​u·​ble | \ ˈsäl-yə-bəl How to pronounce soluble (audio) \

Definition of soluble

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 It’s formulated with BHAs, oil-soluble acids that can penetrate deep into the skin to clear clogged pores, reduce blackheads, and control oil production. Grooming Playbook, The Salt Lake Tribune, 11 May 2022 Chia seeds have some soluble fiber too, Panitz says. Marygrace Taylor, SELF, 30 Apr. 2022 Water-soluble vitamins (that’s all of them excepts vitamins A, D, E and K) are often formulated at such high doses that they are rapidly excreted by the kidney and concentrated in the bladder. Dr. Keith Roach, oregonlive, 26 Apr. 2022 Fat-soluble vitamins like A, D, E, or K can be stored in your body and toxic at high enough levels. Allure, 25 Apr. 2022 Poon does point out, however, that some vegetables that are high in water-soluble vitamins do lose some nutritional value no matter how they are cooked. Brittany Natale, SELF, 20 Apr. 2022 AHAs are water-soluble, moisturizing, and best for normal to dry skin types. Grooming Playbook, The Salt Lake Tribune, 31 Mar. 2022 Caffeine is water-soluble and must be dissolved in order to crystallize. Joanna Thompson, Scientific American, 23 Mar. 2022 Unlike water-soluble vitamins, which the body can easily eliminate, vitamin D is stored in the fat cells of the body and can build up to toxic levels, leading to bone pain and kidney damage. Sandee Lamotte, CNN, 27 Jan. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'soluble.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of soluble

15th century, in the meaning defined at sense 1

History and Etymology for soluble

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

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Time Traveler for soluble

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

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Dictionary Entries Near soluble

solubilized vat dye


soluble blue

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Last Updated

24 May 2022

Cite this Entry

“Soluble.” Dictionary, Merriam-Webster, Accessed 28 May. 2022.

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More Definitions for soluble


sol·​u·​ble | \ ˈsäl-yə-bəl How to pronounce soluble (audio) \

Kids Definition of soluble

1 : capable of being dissolved in liquid Sugar is soluble in water.
2 : capable of being solved or explained a soluble problem


sol·​u·​ble | \ ˈsäl-yə-bəl How to pronounce soluble (audio) \

Medical Definition of soluble

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

More from Merriam-Webster on soluble

Nglish: Translation of soluble for Spanish Speakers

Britannica English: Translation of soluble for Arabic Speakers


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