EN

Synonyms for perpendicular

Most common

orthogonal normal straight upright

All synonyms

Adjective

1. Orthogonal — at or forming a right angle (to something)

orthogonal, normal, straight, upright, rectangular, right, square

Noun

Definitions

  1. adj. 1

    At or forming a right angle (to something).

    In most houses, the walls are perpendicular to the floor.

  2. n. 1

    A line or plane that is perpendicular to another.

Forms

Plural
perpendiculars → plumbs…

Example sentences

  • straight After the meeting she headed straight to her desk.
  • upright Even after it was hit, the pole was still upright.
  • rectangular Do you prefer a round or rectangular table?
  • orthogonal Prove that straight line AB is orthogonal to straight line DC.
  • vertical "Keep away from the vertical cliff!" she shouted.

Popularity over time

Word1850 → 2019Trend
perpendicularfalling
straightrising
uprightrising
rectangularfalling
orthogonalrising
verticalfalling

Use in printed books, per decade from 1850 to 2019.

By length

5 letters
right1, sheer1, steep1, plumb1
6 letters
normal2, square1
7 letters
upright2
8 letters
straight1, vertical3
10 letters
orthogonal4
11 letters
rectangular4, precipitous4

The small number after each word is its number of syllables (normal2 = 2 syllables).

In other languages

Français
perpendiculaire
Italiano
perpendicolare