perpendicular

adjective
UK: /ˌpɜː.pənˈdɪk.jʊ.lər/
US: /ˌpɝː.pənˈdɪk.jə.lɚ/

  1. At an angle of 90° to a given line, plane, or surface.

    1. The pole is perpendicular to the ground.
    2. Ensure the support beams are perpendicular to the main structure for stability.

  2. Straight up and down; vertical.

    1. The cliff face was almost perpendicular.
    2. The perpendicular ascent tested the climbers' endurance and skill.

Synonyms

vertical upright orthogonal
perpendicular noun

  1. A line meeting another at a right angle.

    1. Draw a perpendicular from the point to the line.
    2. The carpenter ensured the lines were perfectly perpendicular to each other.
perpendicular verb

  1. To make something perpendicular.

    1. Perpendicular the lines.
    2. He used a protractor to perpendicular the new beam to the wall.
perpendicular adverb

  1. In a perpendicular direction; vertically or at a right angle.

    1. The lines intersect perpendicularly.
    2. The shelves were aligned perpendicularly to the back wall of the closet.

Frequently Asked Questions

The word "perpendicular" in English means: At an angle of 90° to a given line, plane, or surface., Straight up and down; vertical..

The phonetic transcription of "perpendicular" is /ˌpɜː.pənˈdɪk.jʊ.lər/ in British English and /ˌpɝː.pənˈdɪk.jə.lɚ/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "perpendicular": vertical, upright, orthogonal.

Example usage of "perpendicular": "The pole is perpendicular to the ground.". More examples on the page.