in-solūbilis, e, adj., that cannot be loosed, indissoluble (post-Aug.). Lit.: vinculum, Macr. Somn. Scip. 1, 6, § 24: colligatio, id. ib. § 28.

— Trop. That cannot be paid: beneticium, creditum insolubile est, Sen. Ben. 4, 12, 1.

— That cannot be refuted, incontestable: signum, Quint. 5, 9, 3.

— That cannot be destroyed: aeternitas, App. Asclep. p. 100, 37.

— Adv.: insolūbiliter, indissolubly: vinciri, Macr. Somn. Scip. 1, 6; Aug. Civ. Dei, 21, 10.