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

Jul 14, 2026 · 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.

Conversely, a line or plane is said to be horizontal (or leveled) if it is perpendicular to the vertical at a given point. By extension, the concept applies to finite objects contained by a line or a plane, such as …

Sep 22, 2025 · Horizontal Direction: Imagine the horizon line, the surface of a calm body of water, or the ground beneath your feet. Horizontal refers to movement or alignment along a plane that is parallel …

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.

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

This disambiguation page lists articles associated with the title Horizontal. If an internal link incorrectly led you here, you may wish to change the link to point directly to the intended article.

Horizontal simply means level to the ground, parallel to the ground, or opposite of vertical. Learn about horizontal lines, real life examples, & more.

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 to the ground or …

Horizontal lines in a logo or poster suggest tranquility. Psychologically, we interpret horizontal as aligned with the horizon — and the horizon, where we rest our eyes, feels peaceful.