Perpendicular and Upright

Perpendicular

Perpendicular adjective - Rising straight up.
Usage example: river rafters staring awestruck at the canyon's nearly perpendicular cliffs

Upright is a synonym for perpendicular in erect topic. In some cases you can use "Upright" instead an adjective "Perpendicular", when it comes to topics like horizontal, vertical, at right angles to. popular alternative

Upright

Upright adjective - Rising straight up.
Usage example: only one pillar of the ruined temple remained upright

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

Nearby Words: uprightness, uprightly
Cite this Source
Upright and Perpendicular. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/perpendicular/upright
Perpendicular & Upright. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/perpendicular/upright>.
Upright or Perpendicular. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/perpendicular/upright.
Google Ngram Viewer shows how "perpendicular" and "upright" have occurred on timeline