Synonym Chooser

How does the adjective perpendicular differ from other similar words?

The words plumb and vertical are common synonyms of perpendicular. While all three words mean "being at right angles to a base line," 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

When is plumb a more appropriate choice than perpendicular?

While in some cases nearly identical to perpendicular, plumb stresses an exact verticality determined (as with a plumb line) by earth's gravity.

make sure that the wall is plumb

When is it sensible to use vertical instead of perpendicular?

While the synonyms vertical and perpendicular are close in meaning, 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 perpendicular But with the boat between 50 and 100 yards from the craggy shore near Rubicon Point, its engine failed, causing the vessel to turn broadside — perpendicular — to the oncoming waves, the NTSB said. Ethan Wolin updated July 23, Sacbee.com, 23 July 2025 In April, the brand opened a 1,100-square-foot flagship on Rue François 1er, a perpendicular to luxury shopping epicenter Avenue Montaigne. Lily Templeton, Footwear News, 15 July 2025 Keep your carrots from falling through the grill grates by placing them perpendicular to the grate. Katlyn Moncada, Better Homes & Gardens, 4 June 2025 This wine estate is located up a beautiful valley west of, and perpendicular to, the axis of the hills that form the Côte d’Or. Tom Mullen, Forbes.com, 15 June 2025 See All Example Sentences for perpendicular
Recent Examples of Synonyms for perpendicular
Adjective
  • Prior estimates all relied on a method that incorporates the length and vertical relief of uplifted landforms, but that produces different shrinkage estimates depending on the number of faults included in the dataset.
    Sarah Stanley, Space.com, 17 Aug. 2025
  • Career growth inside companies still follows a narrow script—progress often defined by vertical movement alone.
    Vibhas Ratanjee, Forbes.com, 17 Aug. 2025
Adjective
  • Cena was getting a standing ovation in his final SummerSlam when Lesnar's music blared for the first time in two years.
    Ryan Morik, FOXNews.com, 4 Aug. 2025
  • Understudy Bella Brown reportedly stepped in for Zegler for Act 2 and received a standing ovation that lasted nearly five minutes.
    Lexy Perez, HollywoodReporter, 25 July 2025
Adjective
  • The name of Fort Benning, for example, was suggested by the United Daughters of the Confederacy, an organization that sought to rewrite history textbooks and erect monuments that honored the Confederacy and downplayed slavery's centrality to the Civil War.
    Davis Winkie, USA Today, 19 July 2025
  • Construction crews pour concrete and erect steel faster every year, yet one stubborn line item keeps projects over budget: paperwork.
    Shuangling Yin, Forbes.com, 17 June 2025

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Cite this Entry

“Perpendicular.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/perpendicular. Accessed 21 Aug. 2025.

More from Merriam-Webster on perpendicular

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