Lewis Short
(adjective) : in-sĕpultus, a, um, 2. in-sepultus
* Unburied (class.): acervi civium,Cic. Cat. 4, 6, 11: membra,Hor. Epod. 5, 99: insepultos projecit,Liv. 29, 9, 10.
* Transf., without burial: mors,Sen. Tranq. 14: sepultura, a burial without the customary funeral rites, and therefore undeserving the name of a burial (imitation of the Gr. τάφος ἄταφος), Cic. Phil. 1, 2, 5 (but sepulta is the true reading, id. ib. 14, 12, 33 B. and K.).
Charlton T. Lewis, Charles Short, A Latin Dictionary