insoluble

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insoluble

  • /ɪnˈsɒljʊbəl/ UK
  • /ɪnˈsɑljəbəl/ US

Where it comes from

From Middle English insolible, from Middle French insoluble, from Latin insolūbilis, from in- + solūbilis. Piecewise doublet of insolvable and unsolvable. By surface analysis, in- + soluble.

adjective more insoluble · most insoluble

  1. physical That cannot be dissolved. Petroleum is largely insoluble in water.

    Similar: indissoluble, undissolvable · Opposite: soluble, dissoluble, dissolvable

  2. That cannot be solved. This dispute, as already stated was insoluble in the ideological context in which it took place.

    Similar: insolvable, unsolvable · Opposite: soluble, solvable

  3. That cannot be explained. Near-synonyms: unexplained, mysterious; see also Thesaurus:incomprehensible, Thesaurus:mysterious

    Similar: inexplicable, unexplainable, unexplained, mysterious, abstruse, Chinese, dense, enigmatic, fathomless, bottomless, Greek, inapprehensible · Opposite: soluble, solvable

  4. That cannot be broken down or dispersed.

    Similar: indissoluble, undissolvable · Opposite: soluble, dissoluble, dissolvable

noun insolubles

  1. Any substance that cannot be dissolved. As there is a partial vacuum inside the drum, the liquid is sucked inside the drum and the insolubles are deposited on the outer surface of the membrane filter.

Translations

Every language

adj not soluble; that cannot be dissolved

Españolinsoluble
日本語溶けない tokenai, 不溶の fuyō no
中文不溶 bùróng
Portuguêsinsolúvel
Deutschunlösbar
Italianoinsolubile
Românăinsolubil

adj not solvable; that cannot be solved

日本語解けない tokenai, 割り切れない warikirenai, 不可解な fukakai na
Françaisinsoluble
Deutschunlösbar
Italianoinsolubile
Ελληνικάαξεδιάλυτος axediálytos

adj not explainable

日本語解けない tokenai, 割り切れない warikirenai, 不可解な fukakai na
Deutschunerklärlich
Italianoinspiegabile

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Cite this
MLA

"insoluble." Wiktionary, via Micwyn, micwyn.com/word/insoluble. Accessed 6 Nov. 2026.

APA

insoluble. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/insoluble

Chicago

"insoluble." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/insoluble.

BibTeX
@misc{insoluble_2026,
  title = {insoluble},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/insoluble},
  urldate = {2026-11-06}
}