Skip to main content
perp

perp

9.8
At a right angle to something
  • adjective
  • /pɜrp/
  • Informal
translation icon : perpendicular
  • To create a stable base, make sure the post is perp to the ground.

Examples

  • So it's parallel to the line and perp to the plane.

  • So our plane is perp to this line, right?

  • The architect designed a structure where the walls are perp to the floor.

  • The two roads meet at a point where they are perp to each other.

Synonyms

perpendicular
vsperp
11 5.4

At a right angle to a line or surface

is the informal abbreviation used instead of the full term
orthogonal
vsperp
  • Specialized
1 8.6

At right angles to each other like two crossing lines

is the informal abbreviation used in casual speech rather than technical contexts

Antonyms

parallel
  • Specialized
5 3.7

A line or flat surface the same distance from another that never meets it

How Perpendicular

perp
  • Informal
9.8
slanted
3.9
to parallel
7 4.8

Surface Forms

perp positive

Etymology

Perp is a short form of perpendicular, which means 'at a right angle'. Think of a post that stands straight up from the ground — it is 'perp' to the ground, meeting it at 90 degrees.