unplumbed

English

Etymology

From un- +‎ plumbed.

Adjective

unplumbed (comparative more unplumbed, superlative most unplumbed)

  1. Not measured for depth, with or as if with a plumb.
    The unplumbed depths of the sea will remain a mystery to land-bound humans.
  2. (figurative) Not assayed or measured in any way.