IPA: /ˈvɜːrtɪkəl/
KK: /ˈvɜrtɪkəl/
Describing something that is upright or positioned at a right angle to the ground or horizon.
The flagpole stood vertical against the clear blue sky.
A position or direction that is straight up and down, perpendicular to the ground.
The building was designed with a vertical structure to maximize space.
Vertical → It is formed from "vertere" (meaning to turn) and the suffix "-ical" (meaning pertaining to). The word "vertical" describes something that pertains to a direction that turns straight up and down, like a line that is perpendicular to the horizon.
Imagine a line that 'turns' straight up and down — that's what 'vertical' means, as it relates to the direction of turning.