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

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of plumb
Adjective
Mars will appear plumb against its sparkling stars tonight — though the couple of nights either side will also give a great binocular view. Jamie Carter, Forbes, 6 Mar. 2025 Its clean lines with plumb bow at first appear European, though the twin outboards at the stern signify it as an American boat. Michael Verdon, Robb Report, 14 Feb. 2025
Verb
As far as telling them apart, the big difference between a scullery and a butler's pantry is that a butler's pantry is not plumbed, where a scullery is. 3 Ways To Use A Scullery Not just used for dishwashing, the possibilities are endless for this second kitchen. Mary Catherine McAnnally Scott, Southern Living, 17 Feb. 2025 The 25-year-old Berklee College of Music grad who has spent the past four-plus years plumbing the tricky confluence of jazz, classical and pop is lauded as a Gen Z innovator in TIME magazine’s Women of the Year feature. Gil Kaufman, Billboard, 20 Feb. 2025 See All Example Sentences for plumb
Recent Examples of Synonyms for plumb
Adjective
  • And if left untamed, could result in the utter failure of human civilization.
    Agustino Fontevecchia, Forbes.com, 29 Mar. 2025
  • Also surprising was the utter lack of any dancing during the 10-minute Dance of the Seven Veils orchestral piece (at least at Friday’s performance).
    Pam Kragen, San Diego Union-Tribune, 25 Mar. 2025
Adjective
  • If both series were graphed using a single vertical axis, the (blue) intraday series would hug the horizontal axis.
    Hersh Shefrin, Forbes.com, 5 Apr. 2025
  • This vertical plant support made from coconut fiber mimics the texture of tree bark, allowing climbing plants to attach their aerial roots and grow upwards.
    Nora Colomer, FOXNews.com, 4 Apr. 2025
Adverb
  • Also, click here to subscribe to our newsletter, bringing our top stories of the week straight to your inbox.
    Terry Baddoo, USA Today, 28 Mar. 2025
  • Warfare is set during one day in November of 2006, when a Navy SEALs outfit was suddenly faced with an evacuation straight out of hell’s gate.
    Gregory Nussen, Deadline, 28 Mar. 2025
Adverb
  • Using glass can improve wireless signal strength compared to fully metal bodies, too.
    Ryan Whitwam, ArsTechnica, 28 Mar. 2025
  • Unlike a total solar eclipse, where the moon fully covers the sun, the moon will only cover a portion of the sun during a partial solar eclipse.
    Athena Sobhan, People.com, 28 Mar. 2025
Adverb
  • Attorney information for the man wasn’t immediately available.
    Tanasia Kenney, Miami Herald, 3 Apr. 2025
  • If the impeachment is dismissed, Yoon would immediately return to office.
    Jack Moore, ABC News, 3 Apr. 2025
Verb
  • The trip was scaled back after pushback from Greenlandic and Danish officials.
    Kinsey Crowley, USA Today, 28 Mar. 2025
  • Domestic Tension is shown as a room reproduced to scale, and though the museum shot far fewer than 65,000 paintballs at its walls, the presence of their yellow residue is chilling.
    Emily Watlington, ARTnews.com, 28 Mar. 2025
Adjective
  • Factoring in Cunningham working himself back into a complete All-Star, playoff-caliber level only adds weight to these games.
    Hunter Patterson, New York Times, 6 Apr. 2025
  • Engaging with this data, these states are able to create a much more complete picture of what maternal health care looks like.
    Antonio Reynoso, New York Daily News, 6 Apr. 2025
Adjective
  • In one incident, a TDE affiliate named B-Dawg brushed against her buttocks while erect, the complaint alleges.
    Andre Gee, Rolling Stone, 19 Feb. 2025
  • Tilted up, the erect collars gave the models the image of Bela Lugosi attending a Kiss concert.
    Jacob Gallagher, New York Times, 24 Jan. 2025

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Cite this Entry

“Plumb.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/plumb. Accessed 13 Apr. 2025.

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