at right angles to a horizontal plane; in a direction, or having an alignment, such that the top is directly above the bottom

the vertical axis

keep your back vertical

involving different levels or stages of a hierarchy or process

relating to the crown of the head

denoting a point at the zenith or the highest point of something

a vertical line or plane

the columns incline several degrees away from the vertical

an upright structure

we remodelled the opening with a simple lintel and unadorned verticals

the distance between the highest and lowest points of a ski area

the resort claims a vertical of 2,100 metres