Impassable

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Impassable \Im*pass"a*ble\, a. [Cf. {Unpassable}.]
     Incapable of being passed; not admitting a passage; as, an
     impassable road, mountain, or gulf. --Milton. --
     {Im*pass"a*ble*ness}, n. -- {Im*pass"a*bly}, adv.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  impassable
       adj : impossible to pass [syn: {unpassable}] [ant: {passable}]