Definition of vertical adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

5 days ago · vertical, perpendicular, plumb mean being at right angles to a base line. vertical suggests a line or direction rising straight upward toward a zenith.

Dec 21, 2025 · The term "vertical" refers to something upright, perpendicular to a horizontal plane, or relating to hierarchical structures. It is a widely used term in various fields, from geometry to business.

Horizontal lines go left and right. Vertical lines go up and down. Parallel lines are a fixed distance apart and will never meet, no matter how long they are extended.

VERTICAL meaning: 1. standing or pointing straight up or at an angle of 90° to a horizontal surface or line: 2. a…. Learn more.

The word vertical is derived from the late Latin verticalis, which is from the same root as vertex, meaning 'highest point' or more literally the 'turning point' such as in a whirlpool.

Vertical describes something that rises straight up from a horizontal line or plane. A telephone pole or a tree can usually be described as vertical in relation to the ground.