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 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 Slide the cutting edge of your scissors perpendicular across the raw edge. Cody Godwin, USA TODAY, 4 Mar. 2025 Arriving troopers found an Acura TL on the on-ramp that was stopped perpendicular to the guardrail with both the front and rear passenger doors open. Staff Report, Hartford Courant, 14 Feb. 2025 Most parades in Uptown stroll down St. Charles Avenue, so try to find a spot in the vicinity of Napoleon Avenue and Louisiana Avenue, which run perpendicular to St. Charles. Symiah Dorsey, Southern Living, 4 Feb. 2025 See All Example Sentences for perpendicular
Recent Examples of Synonyms for perpendicular
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
  • In fact, a 2024 study backed by the International Olympic Committee found that trans women who have suppressed their testosterone may face competitive disadvantages compared to cis women in some key metrics like vertical leap.
    Samantha Riedel, Them., 4 Apr. 2025
Adjective
  • From second-time Oscar winners to Hollywood heartthrobs, here are the five outfits that deserve a standing ovation of their own.
    Brett F. Braley-Palko, Forbes, 3 Mar. 2025
  • With Mike Witcher on dobro and Ethan Ballinger on mandolin, guitar, and harmony vocals, the Luke Bulla Trio gave a commanding performance that well-deserved its standing ovations, the news release stated.
    Del Mar Foundation, San Diego Union-Tribune, 10 Mar. 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

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

More from Merriam-Webster on perpendicular

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