'Unpassable' definitions:
Definition of 'unpassable'
From: WordNet
adjective
Incapable of being passed [syn: impassable, unpassable] [ant: passable]
Definition of 'Unpassable'
From: GCIDE
- Unpassable \Un*pass"a*ble\, a. Impassable. --E. A. Freeman. -- {Un*pass"a*ble*ness}, n. --Evelyn. [1913 Webster]