INSOLV'ABLE, adjective [Latin in and solvo, to loosen or dissolve.] 1. Not to be cleared of difficulty or uncertainty; not to be solved or explained; not admitting solution or explication; as an insolvable problem or difficulty. 2. That cannot be paid or discharged.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI