I.that may be taken, carried, or reduced by assault; expugnable (very rare): “urbs terra marique expugnabilis est,” Liv. 33, 17, 8: “ne magnis quidem exercitibus,” Tac. H. 3, 78: “situ non expugnabile robur,” Stat. Th. 6, 103: “fluvius,” i. e. exhaustible, id. ib. 4, 836.
ex-pugnābĭlis , e, adj. expugno,