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

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.

Horizontal (left), vertical (center) and diagonal (right) double arrows. In astronomy, geography, and related sciences and contexts, a direction or plane passing by a given point is said to be …

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

HORIZONTAL definition: level and flat, or parallel to the ground or to the bottom of a page: . Learn more.

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

Master the word "HORIZONTAL" in English: definitions, translations, synonyms, pronunciations, examples, and grammar insights - all in one complete resource.

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 …

Jan 4, 2026 · Adjective horizontal (comparative more horizontal, superlative most horizontal) Perpendicular to the vertical; parallel to the plane of the horizon; level, flat. horizontal lines

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