unplumbed

adjective

un·​plumbed ˌən-ˈpləmd 

1

: not tested with a plumb line

2

a

: not measured with a plumb

b

: not thoroughly explored

Examples of unplumbed in a Sentence

Recent Examples on the Web

The same knack for unplumbed context in political commentary helped her first carve out a singular lane in Washington. — Jay Stahl, USA Today, 18 Apr. 2026

Fohr explores every nuance in her voice, soaring and diving to unplumbed depths against a backdrop of her core band and an orchestra. — Washington Post, 22 Oct. 2021

Existing technologies like magnetometry, which measures magnetic fields from the surface down to a certain (pretty shallow) depth, do a great job with some cases, but leave the depths unplumbed. — Caroline Delbert, Popular Mechanics, 10 June 2020

Table Mountain, the crag that lords over Cape Town, has unusual aquifers whose depth and abundance of water are still unplumbed. — Aaron Gilbreath, Longreads, 12 June 2018

Trump, his allies, and his kin are guilty of degrading the language of government and politics to a hitherto unplumbed low. — Josephine Livingstone, The New Republic, 5 June 2018

In territory that is, as yet, largely unplumbed by modern scholarship. — Laura Bullard, Marie Claire, 1 Mar. 2018

Word History

First Known Use

1623, in the meaning defined at sense 1

Rhymes for unplumbed

• benumbed
• succumbed
• comed
• drummed
• gummed
• hummed
• numbed
• plumbed
• summed
• thumbed

Kids Definition

unplumbed

adjective

un·​plumbed ˌən-ˈpləmd 

ˈən-

1

: not tested or measured with a plumb line

2

: not explored completely

many unplumbed areas in science