impassable 10 Associations

unpassable unsurmountable (similar term) unclimbable (similar term) unnavigable (similar term) untraversable (similar term) passable (antonym)

unclimbable 11 Associations

unsurmountable impassable (similar term) unpassable (similar term)

unnavigable 11 Associations

impassable (similar term) unpassable (similar term)

unpassable 10 Associations

impassable unsurmountable (similar term) unclimbable (similar term) unnavigable (similar term) untraversable (similar term) passable (antonym)

unsurmountable 14 Associations

unclimbable impassable (similar term) unpassable (similar term)

untraversable 13 Associations

impassable (similar term) unpassable (similar term)