insoluble Meaning in the Cambridge English Dictionary
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Meaning of “insoluble” in the English Dictionary

"insoluble" in British English

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insolubleadjective

uk   /ɪnˈsɒl.jʊ.bl̩/  us   /-ˈsɑːl.jə-/

insoluble adjective (PROBLEM)

(US also insolvable) (of a ​problem) so ​difficult that it is ​impossible to ​solve: Traffic ​congestion in ​largecitiesseems to be an insoluble ​problem.

insoluble adjective (SUBSTANCE)

(of a ​substance) ​impossible to ​dissolve: These ​minerals are all insoluble in ​water.
insolubility
noun [U] uk   /ɪnˌsɒl.jʊˈbɪl.ɪ.ti/  us   /-ˌsɑːl.jəˈbɪl.ə.t̬i/
(Definition of insoluble from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"insoluble" in American English

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insolubleadjective

 us   /ɪnˈsɑl·jə·bəl/

insoluble adjective (DIFFICULT TO SOLVE)

[not gradable] (of a ​problem) so ​difficult that it is ​impossible to ​solve: Traffic ​congestion in ​bigcitiesseems to be an insoluble ​problem.

insoluble adjective (IMPOSSIBLE TO MIX)

(of a ​substance) ​impossible to ​dissolve: Sand is insoluble in ​water.
(Definition of insoluble from the Cambridge Academic Content Dictionary © Cambridge University Press)
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