Bible Dictionaries
Insoluble

Webster's Dictionary

(1):

(a.) Not soluble; in capable or difficult of being dissolved, as by a liquid; as, chalk is insoluble in water.

(2):

(a.) Strong.

(3):

(a.) Not to be solved or explained; insolvable; as, an insoluble doubt, question, or difficulty.

Bibliography Information
Webster, Noah. Entry for 'Insoluble'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​i/insoluble.html. 1828.