INSOLUBLE

insoluble. Insoluble, a. not able to be dissolved or solved

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In‐sol″u‐ble (?), a. [[L. insolubilis indissoluble, that can not be loosed: cf. F. insoluble. See In- not, and Soluble, and cf. Insolvable.]] 1. 1. Not soluble; in capable or difficult of being dissolved, as by a liquid; as, chalk is insoluble in water.
2. 2. Not to be solved or explained; insolvable; as, an insoluble doubt, question, or difficulty.
3. 3. Strong. “An insoluble wall.” Holland