Word.ws English Dictionary

unplumbable

unplumbable adjective: not plumbable; unfathomable.

Adjective

unplumbable (not comparable)

  1. Not plumbable; unfathomable.
    • Either because it was a less toxic species, or because by now Doug was growing immunized, or for some other unplumbable reason, in this case the effects were no worse than those from a bee sting.1988, David Quammen, The Flight of the Iguana

Origin of unplumbable

From un- + plumbable.

Questions about unplumbable

What does unplumbable mean?
Unplumbable means not plumbable; unfathomable.
What part of speech is unplumbable?
Unplumbable is an adjective.

Words near unplumbable in the dictionary

  1. unpluggers
  2. unplugging
  3. unpluggings
  4. unplugs
  5. unplumb
  6. unplumbable
  7. unplumbed
  8. unplumbered
  9. unplumbing
  10. unplumbs
  11. unplume

Source and license

Adapted from Wiktionary: unplumbable (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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