Insoluble, a

& s. [Fr., from Lat. insolubilis, from in- =not, and solubilis =soluble; solvo to di olve, to loose; Sp. insoluble; Ital. insolubile. ] A. As adjective: 1. Not soluble; incapable of being di olved, particularly in a liquid. 2. Incapable of being solved or explained; not to be cleared, explained, or resolved; inexplicable. *B. As subst .: A matter or point incapable of being solved or explained.