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.

Horizontal Look up horizonta, horizontal, or horizontally in Wiktionary, the free dictionary.

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.