Antonyms of adj scalable

1 sense of scalable

Sense 1
scalable (vs. unscalable) -- (capable of being scaled; possible to scale; "the scalable slope of a mountain")

unscalable (vs. scalable), unclimbable -- (incapable of being ascended)

Similarity of adj scalable

1 sense of scalable

Sense 1
scalable (vs. unscalable) -- (capable of being scaled; possible to scale; "the scalable slope of a mountain")
       => ascendable, ascendible, climbable -- (capable of being ascended)