plumb 1 of 3

plumb

2 of 3

adverb

1
as in straight
in a direct line or course I can't believe he walked plumb into the tree, without even seeing it!

Synonyms & Similar Words

Antonyms & Near Antonyms

2
3

plumb

3 of 3

verb

as in to scale
to measure the depth of (as a body of water) typically with a weighted line plumbed the bay to make sure it was deep enough for the ship

Synonyms & Similar Words

Synonym Chooser

How does the adjective plumb differ from other similar words?

The words perpendicular and vertical are common synonyms of plumb. While all three words mean "being at right angles to a base line," plumb stresses an exact verticality determined (as with a plumb line) by earth's gravity.

make sure that the wall is plumb

When might perpendicular be a better fit than plumb?

Although the words perpendicular and plumb have much in common, perpendicular may stress the straightness of a line making a right angle with any other line, not necessarily a horizontal one.

the parallel bars are perpendicular to the support posts

In what contexts can vertical take the place of plumb?

In some situations, the words vertical and plumb are roughly equivalent. However, vertical suggests a line or direction rising straight upward toward a zenith.

the side of the cliff is almost vertical

Examples of plumb in a Sentence

Recent Examples on the Web
Adjective
The currency has now surrendered all of its gains from last year to plumb depths not seen since an investor panic in the early days of the war. Bychristiaan Hetzner, Fortune, 15 Aug. 2023 Also, use a square from two directions to check that the fastener is square or plumb to the surface. Roy Berendsohn, Popular Mechanics, 26 May 2023 Beau is a perfect excuse for him to plumb depths that even his previous A-list directors may not have pushed him toward exploring. David Fear, Rolling Stone, 11 Apr. 2023 Backfill with another six to eight inches of dirt, check that the post is plumb, and tamp down the dirt. Ryan D'agostino, Popular Mechanics, 24 Oct. 2020 See all Example Sentences for plumb 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'plumb.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Thesaurus Entries Near plumb

Cite this Entry

“Plumb.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/plumb. Accessed 4 Nov. 2024.

More from Merriam-Webster on plumb

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!