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 The following year, researchers excavated a set of about 12 footprints that appeared to walk in a line, then found another set of footprints running perpendicular. Evan Bush, NBC News, 28 Nov. 2024 Longer wavelengths materialize on Earth when sunlight hits from more of a perpendicular angle, so its route through our atmosphere can be more extensive. Emily Mae Czachor, CBS News, 13 Mar. 2025 As the vernal equinox approaches on March 20, Earth’s axis is perpendicular to the sun. Jamie Carter, Forbes, 12 Mar. 2025 Slide the cutting edge of your scissors perpendicular across the raw edge. Cody Godwin, USA TODAY, 4 Mar. 2025 See All Example Sentences for perpendicular
Recent Examples of Synonyms for perpendicular
Adjective
  • By exempting income from athletes who are potentially earning millions of dollars, Arkansas appears to be violating the vertical equity principle.
    Nathan Goldman, Forbes.com, 1 May 2025
  • The artwork resembles the shell of a room that is unravelled to form a flat, vertical structure, like a deconstructed box.
    Megan Williams, CNN Money, 1 May 2025
Adjective
  • Megalopolis Never Logo text Francis Ford Coppola got a standing ovation at the Dolby Theatre on April 26.
    Benjamin Svetkey, HollywoodReporter, 7 May 2025
  • Giving his inauguration speech, Cunningham received continual rounds of applause and several standing ovations.
    Steve Sadin, Chicago Tribune, 6 May 2025
Adjective
  • 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
  • Salvia nemorosa Sun Exposure: Full sun Soil Type: Dry to medium, well-draining, average Soil pH: Acidic to neutral (5.5-6.5) USDA Hardiness Zone: 4 to 8 The erect flower spikes of meadow sage add dramatic texture and contrast to rose bushes.
    Kim Toscano, Southern Living, 11 Apr. 2025

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Cite this Entry

“Perpendicular.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/perpendicular. Accessed 15 May. 2025.

More from Merriam-Webster on perpendicular

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