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.

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

2.

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

3.

Strong.

"An insoluble wall." [Obs.]

Holland

 

© Webster 1913.

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