The meaning of INSOLUBLE is not soluble. How to use insoluble in a sentence.

INSOLUBLE definition: 1. (of a problem) so difficult that it is impossible to solve: 2. (of a substance) impossible to…. Learn more.

insoluble (in something) (of a substance) that does not dissolve in a liquid. These chemicals are practically insoluble in water. Definition of insoluble adjective in Oxford Advanced Learner's …

1. incapable of being dissolved: insoluble salts. 2. incapable of being solved: an insoluble problem.

Insoluble definition: incapable of being dissolved.. See examples of INSOLUBLE used in a sentence.

An insoluble problem is so difficult that it is impossible to solve. I pushed the problem aside; at present it was insoluble.

There are six meanings listed in OED's entry for the word insoluble, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Insoluble comes from the Latin insolubilis meaning "that cannot be loosened." When a substance is insoluble, it cannot be dissolved or loosened in water. Similarly, a situation that is insoluble …

WordReference Random House Unabridged Dictionary of American English © 2024 in•sol•u•ble (in sol′ yə bəl), adj. incapable of being dissolved: insoluble salts. incapable of being solved or …

Aug 17, 2025 · insoluble (plural insolubles) Any substance that cannot be dissolved. quotations