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.
upendedrampantupright
The word vertical refers to something that is standing in an upright position.
a cornere
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".
touchdown
vertical