Synonyms of vertical

vertical

adjective

ˈvər-ti-kəl 

as in standing

rising straight up

a vertical cliff face

Synonyms & Similar Words

• standing
• perpendicular
• erect
• upright
• plumb
• lifted
• raised
• upstanding
• stand-up
• elevated
• upraised
• freestanding
• upended
• stand-alone
• semierect

Antonyms & Near Antonyms

• flat
• recumbent
• diagonal
• prostrate
• supine
• hanging
• slant
• slanted
• sagging
• slanting
• slanty

Synonym Chooser

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

Recent Examples of vertical

Dolphins propel themselves by oscillating their tails in a powerful vertical kicking motion, which drives water backward and creates a wake of complex, turbulent currents. —Mrigakshi Dixit, Interesting Engineering, 4 May 2026

While horizontal viewing angles were somewhat acceptable, vertical viewing angles were poor, especially while doing any productivity work. —Bestreviews, Mercury News, 4 May 2026

Two Southwest Airlines jets passed within 500 vertical feet of each other over Nashville on April 18. —Zach Wichter, USA Today, 4 May 2026

Each shows the vertical trajectory of a rocket through the sky. —Olivia Kan-Sperling, Artforum, 2 May 2026