ĭn-expugnābĭlis
e, adj.
I.
that cannot be taken by assault, impregnable, inexpugnable (class.)
I.
Lit.: arx, Liv. 2, 7, 6: urbes, id. 5, 6, 9; Vell. 2, 115, 3.—
II.
Trop., unconquerable, in assured safety: homo, Cic. Tusc. 5, 14, 41: terra, Plin. 33, 4, 21, § 72: gramen, Ov. M. 5, 486: pectus Amori, id. ib. 11, 767: finitio verborum, Quint. 7, 3, 18: necessitas dormiendi, Cels. 3, 20.