impassable 10 Associations

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

unclimbable 11 Associations

unscalable scalable (antonym)

unclimbable 11 Associations

unsurmountable impassable (similar term) unpassable (similar term)

unpassable 10 Associations

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

unscalable 10 Associations

unclimbable scalable (antonym)

unsurmountable 14 Associations

unclimbable impassable (similar term) unpassable (similar term)