vertical
n. B2 Upper Intermediate Oxford US //ˈvɝtɪkəɫ// UK //vˈɜːtɪkəl// ver·ti·cal
n. standing or pointing straight up and down. It is the opposite of horizontal, like a wall or a flagpole.
n. positioned at a right angle to the horizon; perpendicular to a horizontal plane.
The wall has several long vertical stripes.
The architect designed a vertical garden to maximize the green space on the narrow city lot.
The cliff face presented a nearly vertical challenge that required specialized climbing gear and significant physical endurance to navigate safely.
Borrowed from Middle French vertical, from Late Latin verticālis.
Usage
Typically placed before the noun it modifies; frequently contrasted with horizontal.