The meaning of HORIZONTAL is of or relating to the apparent junction of earth and sky : situated near the horizon. How to use horizontal in a sentence.

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

HORIZONTAL definition: 1. parallel to the ground or to the bottom or top edge of something: 2. a horizontal line…. Learn more.

Define horizontal. horizontal synonyms, horizontal pronunciation, horizontal translation, English dictionary definition of horizontal. adj. 1. Of, relating to, or near the horizon.

of or pertaining to a position or individual of similar status: He received a horizontal promotion to a different department, retaining his old salary and title.

Dec 24, 2025 · horizontal (comparative more horizontal, superlative most horizontal) Perpendicular to the vertical; parallel to the plane of the horizon; level, flat. quotations

HORIZONTAL definition: at right angles to the vertical; parallel to level ground. See examples of horizontal used in a sentence.

Horizontal definition: Of, relating to, or near the horizon.

Something that is horizontal is flat and level with the ground, rather than at an angle to it. The board consists of vertical and horizontal lines. Swing the club back until it is horizontal.

The opposite of vertical, something horizontal is arranged sideways, like a person lying down. When you sleep (unless you're a horse), your body is horizontal: horizontal things are parallel …