perpendicular /pûr-pən-dikˈū-lər/

1. Erect
2. Vertical
3. Upright
4. In the direction of gravity or at right angles to the plane of the horizon
5. At right angles (to a given line or surface; geometry)
6. In the Perpendicular style of architecture

1. An instrument for determining the vertical line
2. A straight line or plane perpendicular to another line or surface
3. Verticality or erectness
4. (in a ship) a vertical line from each end of the waterline
5. A meal or entertainment at which the guests do not sit (slang)

perpendicularity /-larˈi-ti/ noun

The state of being perpendicular

perpendicˈularly adverb

Perpendicular style noun

A late English style of Gothic architecture (late 14c to mid-16c) marked by vertical window-tracery, the depressed or four-centre arch, fan tracery vaulting, and panelled walls

• outduring
• outdwell
• outdwelled
• out-dweller
• out-dwellers
• outdwelling
• outdwells
• outdwelt
• outeat
• outeaten
• outeating
• outeats
• outed
• outedge
• outedges
• outer
• outer bar
• outer bars
• outer dead centre
• outer garments
• Outer House
• outermost
• outer planet
• outer planets
• outers