Part of speech:
(Mathematics) Of or being a figure lying in a plane:
(Music) Moving in the same direction at a fixed interval:
Uniform means having the same form, manner, style, etc.
Having all sides or faces equal. For example, a square is a regular polygon, and a cube is a regular polyhedron.
Having a low heel or no heel:
Conventional to an extreme degree.
Having no obstructions or difficulties:
On-end; upright; pertaining or relating to the end.
Prone is defined as having a tendency towards something, or describes something that is sloped or lying down.
(Botany) Growing flat along the ground.
(Old Poet.) Leaning or sloping backward
A female given name of modern usage, for a girl born in summer.
(Nautical) The flat or nearly flat stern of a boat or ship.
(Biol.) In the direction in which the axis lies; lengthwise
The definition of upright is something or someone who is strictly honest, or something that is vertical or erect.
Lying face down
(Marketing) Relating to horizontal markets.
At or on a slant; sloping; leaning
Find another word for horizontal. In this page you can discover 29 synonyms, antonyms, idiomatic expressions, and related words for horizontal, like: plane, aligned, parallel, flush, uniform, regular, flat, level, straight, smooth and decumbent.