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
But in that cozy enclave where the subconscious lives of men and women would be plumbed, there was some doubt that a woman doctor would have anything of value to contribute. Marcy Thompson, Scientific American, 23 Jan. 2025 With action springing from the investigation of a high school girl’s mysterious murder in a Washington lumber mill town, the weekly ABC show plumbed disquieting, theretofore taboo subject matter and made the inexplicable a fixture of modern narrative television. Chris Morris, Variety, 16 Jan. 2025 See All Example Sentences for plumb
Recent Examples of Synonyms for plumb
Adjective
  • The film’s villain has paralyzed the human species with a piece of technology that melds the body together with a machine and relies on empty fantasy to seduce its human users towards utter isolation.
    David Ehrlich, IndieWire, 7 Mar. 2025
  • Lori-Ann Schmidt In the series, Kimmy's mom's ability to attract utter chaos through her love for adrenaline aligns her closest with Aries.
    Athena Sobhan, People.com, 6 Mar. 2025
Adjective
  • Installing Garden Structures Garden structures add vertical interest to the garden and maximize the space in a small garden by keeping vines and climbing vegetables from taking over the ground.
    Mary Marlowe Leverette, Southern Living, 2 Mar. 2025
  • The lander touched down at 3:34 a.m. after running through a powered descent 12 minutes out bringing the lander into a vertical position and slowing down from 3,800 mph to about 90 mph.
    Richard Tribou, Orlando Sentinel, 2 Mar. 2025
Adverb
  • Get expert security alerts, must-know tech tips and the latest digital trends straight to your inbox.
    Kurt Knutsson, CyberGuy Report, Fox News, 4 Mar. 2025
  • Sit up straight with your back straight and slowly stretch your chin forward, as if imitating a turtle extending its neck. 2.
    Nathalie Alonso, AFAR Media, 3 Mar. 2025
Adverb
  • Hold a kickboard in front of you while keeping both arms fully extended.
    The New York Times, San Diego Union-Tribune, 4 Mar. 2025
  • The amenities continue in the fully hedged backyard, where there’s a pool and spa abutting the separate guesthouse with its own kitchen and living area.
    Wendy Bowman, Robb Report, 4 Mar. 2025
Adverb
  • Neither official, however, is leaving politics immediately.
    R. Christian Smith, Chicago Tribune, 27 Feb. 2025
  • However, they were immediately met with push back from the business and financial sectors that claimed the standards were overly complicated.
    Jon McGowan, Forbes, 26 Feb. 2025
Verb
  • Enter our weeknight-friendly recipe, no boiling required and scaled down in size to make just enough for a dining duo—or one person, with enough left over for tomorrow’s lunch or dinner.
    Jessica Saari Christensen, Better Homes & Gardens, 4 Mar. 2025
  • But even to this point, this is the furthest and most successful any Black person has gotten about scaling a social media platform.
    Jasmine Browley, Essence, 3 Mar. 2025
Adjective
  • Secure burn barrels: If burning is permitted in your area, ensure that all burn barrels have a weighted metal cover, complete with holes no larger than 3/4 of an inch.
    KANSAS CITY STAR WEATHER BOT, Kansas City Star, 1 Mar. 2025
  • Chery further supports day adventures and potential overnight camping with a front trunk that stores a mobile kitchen complete with grill.
    New Atlas, New Atlas, 1 Mar. 2025
Adjective
  • His head reached no higher on the bear than the middle of that mighty chest as the animal stood erect.
    Frank C. Hibben, Outdoor Life, 13 Feb. 2025
  • Brian Roberts The only mogul left standing fully erect, NBC remains a bastion of anti-Trumpism (Rachel Maddow is back on the air five nights a week!).
    Steven Zeitchik, The Hollywood Reporter, 6 Feb. 2025

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Cite this Entry

“Plumb.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/plumb. Accessed 12 Mar. 2025.

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