for example a straight line.(is it straight up and down)
There is no root word for vertical. Ver or vert is not true for vertical.
mint is a word that is a vertical.
An antonym for the word 'vertical' is 'horizontal'
All windows have a vertical side to them.
vertical
The pencil was vertical to the ladder.
Vertical is the adjective form of the English noun vertex, which comes from the Latin word vertex. The root word is vertere, meaning "to turn".
upendedrampantupright
The word vertical refers to something that is standing in an upright position.
a cornere
A column.
MOW