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 Plus, sitting catty-corner with the original Courrèges store on a shopping street perpendicular to luxury shopping artery Avenue Montaigne and a stone’s throw from the Champs-Élysées, the store is ideally placed to draw a more international clientele to Molli’s doorstep. Lily Templeton, Footwear News, 29 Apr. 2025 With Earth’s axis perpendicular to the sun, a unique interaction between solar wind and Earth's magnetosphere weakens Earth’s magnetic field slightly. Jamie Carter, Forbes, 17 Mar. 2025 Be sure to cut perpendicular to the stem axis with a hand saw or chain saw so that the tree can receive as much hydration as possible and be easily supported in a tree stand. Sheryl Geerts, Better Homes & Gardens, 17 Dec. 2024 Rip currents are fast flowing streams of water that form perpendicular to the beach. Dinah Voyles Pulver, USA Today, 6 Apr. 2025 See All Example Sentences for perpendicular
Recent Examples of Synonyms for perpendicular
Adjective
  • Trump also signed orders aimed at clearing the way for a new generation of supersonic jets in the United States, and to encourage the development of electric vertical take-off and landing aircraft or eVTOLs, sometimes described as air taxis.
    Deepa Shivaram, NPR, 6 June 2025
  • The goal is to stay out of the NFC East's cellar, avoid catastrophe, and, hopefully, keep Russell Wilson and crew vertical.
    Geoffrey Knox, MSNBC Newsweek, 4 June 2025
Adjective
  • To now have the very same industry embrace her, including via a recent standing ovation at the Critics Choice Awards for her work in Matlock, has been a lot to process.
    Jessica Wang, EW.com, 27 May 2025
  • That’s right, festival season means one thing and one thing only: measuring the standing ovations each film gets and then using that as data point No. 1 in building your MFL team come September.
    Bethy Squires, Vulture, 15 May 2025
Adjective
  • Carlin said, as soldiers need to guide their horses while keeping erect posture.
    Tom Vanden Brook, USA Today, 27 May 2025
  • In the proceeding years, visitors who wanted to spend the night in the park could rent houseboats, erect tents, or park their camper vans or RVs, but the nearest hotel was located about an hour away in Florida City.
    Mariette Williams, Travel + Leisure, 16 Apr. 2025

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Cite this Entry

“Perpendicular.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/perpendicular. Accessed 12 Jun. 2025.

More from Merriam-Webster on perpendicular

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