Perpendicular and Straight

Perpendicular

Perpendicular adjective - At right angles to the plane of the horizon or a base line.
Usage example: measure the perpendicular height

Straight is a synonym for perpendicular in upright topic. In some cases you can use "Straight" instead an adjective "Perpendicular", when it comes to topics like characteristic, erect, vertical, rectilinear. popular alternative

Straight

Straight adjective - Having no deviations.
Usage example: straight lines

Perpendicular is a synonym for straight in vertical topic. You can use "Perpendicular" instead an adjective "Straight", if it concerns topics such as characteristic, erect, upright, rectilinear. popular alternative

Both words in one sentence

  • Sinister Scythe The Ether Reaper uses a blade made of plasma, though it the blade is straight and perpendicular to the handle, making it look more like a massively stretched tomahawk.
  • To make matters even worse for the bastard, the overall flight path is perpendicular to the plane of the galaxy, so he's heading straight into intergalactic space, the emptiest place in existence.
  • Video Game / Left 4 Dead 2 When you reload the gun, tilting it this way and that, that little cloth strap continues to stick straight down perpendicular from the frame.
Cite this Source
Straight and Perpendicular. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/perpendicular/straight
Perpendicular & Straight. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/perpendicular/straight>.
Straight or Perpendicular. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/perpendicular/straight.
Google Ngram Viewer shows how "perpendicular" and "straight" have occurred on timeline