scaleless

adj

1. (not-comparable)Lacking anything to give a sense of scale; not having a reference for size.
2. (not-comparable)Of a surface: free from deposits of scale.
3. (not-comparable)Not having scales.

   “There are also some surprises such as Eurotamandua, a scaleless pangolin that looks astonishingly like a South American anteater.”

4. (not-comparable)Without using a set of scales.

   “scaleless dieting”