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Webster 1913 Edition
Unpassable
Un-pass′a-ble
,Adj.
Impassable.
E. A. Freeman.
– Un-pass′a-ble-ness
, Noun.
Evelyn.
Webster 1828 Edition
Unpassable
UNP'ASSABLE
,Adj.
1.
Not admitting persons to pass; impassable; as unpassable roads, rivers or mountains. [Impassable is more generally used.]2.
Not current; not received in common payments; as unpassable notes or coins. [Instead of this, uncurrent and not current are now used.]