Antonyms of adj ascendable
1 sense of ascendable
Sense 1
ascendable, ascendible, climbable -- (capable of being ascended)
INDIRECT (VIA scalable) -> unscalable, unclimbable -- (incapable of being ascended)
Similarity of adj ascendable
1 sense of ascendable
Sense 1
ascendable, ascendible, climbable -- (capable of being ascended)
=> scalable (vs. unscalable) -- (capable of being scaled; possible to scale; "the scalable slope of a mountain")