Definitions, Meanings, Synonyms and Antonyms of “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 to the ground or running in the same direction as the horizon. If you stack books horizontally, then they’re on their side. You hear a lot about horizontal lines in geometry: If you picture a square, the top and bottom lines are horizontal lines.

Definitions of horizontal


n something that is oriented horizontally

Type of:

position or alignment relative to points of the compass or other specific directions

adj parallel to or in the plane of the horizon or a base line

“a horizontal surface”

in the shape of (a horizontal piece on) a cross

horizontally level

being on a precise horizontal plane
naiant, swimming

applied to a fish depicted horizontally
perpendicular, vertical

at right angles to the plane of the horizon or a base line

at an angle to the horizontal or vertical position

(of a topographical gradient) not steep or abrupt

having a sharp inclination

exactly vertical

turned up on end
unsloped, upright

in a vertical position; not sloping
atilt, canted, leaning, tilted, tipped

departing or being caused to depart from the true vertical or horizontal
aslant, aslope, diagonal, slanted, slanting, sloped, sloping

having an oblique or slanted direction

set at a sharp or high angle or slant

set at a low angle or slant

of a geological structure in which all strata are inclined in the same direction

set at a slant

represented as leaping (rampant but leaning forward)

inclining or directed to one side
skew, skewed

having an oblique or slanting direction or position

slanting or inclined in direction or course or position–neither parallel nor perpendicular nor right-angled

having no deviations
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“horizontal” Sentence Examples

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Definition of “horizontal” in Dictionaries

Definition of “horizontal” in famous dictionaries for free.