VERTICAL Synonyms: 26 Similar and Opposite Words

Q: How does the adjective 'vertical' differ from other similar words?

The words perpendicular and plumb are common synonyms of vertical . While all three words mean "being at right angles to a base line," vertical suggests a line or direction rising straight upward toward a zenith. // the side of the cliff is almost vertical

Q: When could 'perpendicular' be used to replace 'vertical'?

The words perpendicular and vertical are synonyms, but do differ in nuance. Specifically, 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

Q: When is it sensible to use 'plumb' instead of 'vertical'?

While the synonyms plumb and vertical are close in meaning, plumb stresses an exact verticality determined (as with a plumb line) by earth's gravity. // make sure that the wall is plumb

vertical

adjective

ˈvər-ti-kəl

Definition of vertical

as in standing

rising straight up a vertical cliff face

Synonyms & Similar Words

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How does the adjective vertical differ from other similar words?

The words perpendicular and plumb are common synonyms of vertical. While all three words mean "being at right angles to a base line," vertical suggests a line or direction rising straight upward toward a zenith.

the side of the cliff is almost vertical

When could perpendicular be used to replace vertical?

The words perpendicular and vertical are synonyms, but do differ in nuance. Specifically, 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 it sensible to use plumb instead of vertical?

While the synonyms plumb and vertical are close in meaning, plumb stresses an exact verticality determined (as with a plumb line) by earth's gravity.

make sure that the wall is plumb

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 vertical Long vertical windows opened onto a courtyard shaded by a sprawling olive tree. — Tara Anne Dalbow, Los Angeles Times, 21 Sep. 2026 Mansa Studios, the media company co-founded by David Oyelowo and Nate Parker, has partnered with Macro Television Studios to develop, finance and produce various vertical series, the two companies announced Monday. — Michael Schneider, Variety, 21 Sep. 2026 Be sure to spread the pine straw to at least the drip line of shrubs and trees (the vertical line right under the outermost leaves). — Mary Marlowe Leverette, Southern Living, 20 Sep. 2026 The parallel groupings can be vertical, diagonal, horizontal, or a combination. — Madeline Buiano, Martha Stewart, 19 Sep. 2026 See All Example Sentences for vertical

Recent Examples of Synonyms for vertical

Adjective

Crucially, structures have matured past equity into standing credit facilities.

— Chris Koras, Sportico.com, 28 Sep. 2026
The 43-year-old right-hander, a 10-time All-Star and three-time Cy Young Award winner over 21 major league seasons, left the field for the final time, holding his daughter's hand, as the Comerica Park crowd gave him a standing ovation.

— ABC News, ABC News, 26 Sep. 2026

Definition of standing

Adjective

But the columns are much too perpendicular to the stylobate for that.

— Emma Gometz, Scientific American, 22 Sep. 2026
This changes a property called birefringence, where two perpendicular polarizations of light traveling through the same glass experience slightly different refractive indices.

— Pawel Maniewski, New Atlas, 2 Sep. 2026

Definition of perpendicular

Adjective

Thanks to the single-floor layout of the tiny house, there's tons of room in here to walk around and stand upright, which is always a nice luxury in a tiny house.

— New Atlas, New Atlas, 26 Sep. 2026
Witnesses and recordings give a fuller picture Surveillance video obtained by CNN provides another perspective of the encounter, which appears to show two agents and the man in an upright struggle before federal officials take him to the ground.

— Julianna Bragg, CNN Money, 24 Sep. 2026

Definition of upright

Browse Nearby Words

vertex

vertical

vertices

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“Vertical.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/vertical. Accessed 29 Sep. 2026.

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Synonyms of vertical

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