adj.
    - at right angles to a horizontal plane; having the top directly above the bottom.
- involving or passing through all the different levels of a hierarchy or progression.
- Anatomy  relating to the crown of the head.
- archaic at the zenith or the highest point.
n.
  - a vertical line or plane.
- an upright structure.
Derivative
  
    - verticality n.
- verticalize
 or verticalise v.
- vertically adv.
 
  Etymology
  C16 (in the sense ‘directly overhead’): from Fr., or from late L. verticalis, from vertex (see vertex).