adequate 8 Associations

passable fair to middling tolerable satisfactory (similar term)

climbable 9 Associations

surmountable passable (similar term)

impassable 10 Associations

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

navigable 9 Associations

passable (similar term)

negotiable 10 Associations

passable (similar term)

passable 8 Associations

navigable (similar term) negotiable (similar term) surmountable (similar term) climbable (similar term) traversable (similar term) travelable (similar term) impassable (antonym)

passable 8 Associations

adequate fair to middling tolerable satisfactory (similar term)