UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ɪnˈsɒljʊbəl/US:USA pronunciation: IPA and respellingUSA pronuncation: IPA/ɪnˈsɑljəbəl/ ,USA pronunciation: respelling(in solyə bəl)

WordReference Random House Learner's Dictionary of American English © 2020
in•sol•u•ble /ɪnˈsɑlyəbəl/USA pronunciation   adj. 
  1. (of a substance) that cannot be dissolved:insoluble salts.
  2. (of a problem, crime, etc.) that cannot be solved:an insoluble mystery.
in•sol•u•bil•i•ty /ɪnˌsɑlyəˈbɪlɪti/USA pronunciation  n. [uncountable]See -solv-.

WordReference Random House Unabridged Dictionary of American English © 2020
in•sol•u•ble  (in solyə bəl),USA pronunciation adj. 
  1. incapable of being dissolved:insoluble salts.
  2. incapable of being solved or explained:an insoluble problem.
in•sol′u•bili•ty, in•solu•ble•ness, n. 
in•solu•bly, adv. 
  • Latin. See in-3, soluble
  • Middle French insoluble
  • Latin insolūbilis; replacing Middle English insolible
  • 1350–1400

Collins Concise English Dictionary © HarperCollins Publishers::
insoluble /ɪnˈsɒljʊbəl/ adj
  1. incapable of being dissolved; incapable of forming a solution, esp in water
  2. incapable of being solved

inˌsoluˈbility, inˈsolubleness n inˈsolubly adv
'insoluble' also found in these entries (note: many are not synonyms or translations):
Report an inappropriate ad.