Definition of insoluble in English:

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Pronunciation: /inˈsälyəb(ə)l/


1Impossible to solve: the problem is not insoluble
More example sentences
  • But therein lay a seemingly insoluble dilemma: that way - the only way - did not seem a possible way.
  • His married life was dominated by an insoluble dilemma.
  • Before the Jubilee the dilemma may have looked insoluble.
unfathomable, impenetrable, unexplainable, inscrutable, inexplicable
2(Of a substance) incapable of being dissolved: once dry, the paints become insoluble in water
More example sentences
  • Like all fatty acids stearic acid is insoluble in water, but is soluble in ether and hot alcohol.
  • The catalyst is mostly insoluble in this solvent at room temperature so subsequent cooling allowed them to precipitate it for recovery.
  • When the number of carbons is greater than 12, the materials are nearly insoluble in water.
indissoluble, incapable of dissolving



Pronunciation: /inˌsälyəˈbilədē/
Example sentences
  • It is in the insolubility of these mysteries that the continued fascination with Hitler resides.
  • The very property that makes it useful in the cell membrane, namely its insolubility in water, also makes it lethal.
  • Phosphorus is found in all living cells, but some scientists doubt that the most common form of phosphorus - phosphate - helped form life on earth due to its insolubility in water.


Pronunciation: /-ˌlīz/
Example sentences
  • Lower levels may be insufficient to insolubilize the portions of the photoimageable composition layer that have been exposed to actinic radiation.
  • Industrial applications for these materials have been expanded by the use of additives to plasticize, emulsify or insolubilize these products.


Pronunciation: /-blē/
Example sentences
  • Tis the season of insolubly hard quizzes compiled for precocious public school boys, so here's my contribution.
  • Different souls contribute to a movie, more often than not in cheerful company; a book is surrendered by one insolubly trapped victim of solitude.
  • I propose another model that does better in accounting for the nuances of masculinity in the Western, for I do not find the genre's representation of masculinity as insolubly conflicted as Pumphrey suggests.


Late Middle English: from Old French, or from Latin insolubilis, from in- 'not' + solubilis (see soluble).

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Syllabification: in·sol·u·ble

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