| Meaning | parallel to or in the plane of the horizon or a base line. |
|---|
| Example | "a horizontal surface" |
|---|
| Attribute of | orientation | Position or alignment relative to points of the compass or other specific directions |
|---|
| Narrower | crosswise | In the shape of (a horizontal piece on) a cross |
|---|
| flat | horizontally level |
| level | On a precise horizontal plane |
| naiant, swimming | applied to a fish depicted horizontally |
| Opposite | inclined | At an angle to the horizontal or vertical position |
|---|
| vertical, perpendicular | At right angles to the plane of the horizon or a base line |
| Spanish | horizontal |
|---|
| Catalan | horitzontal |
|---|
| Nouns | horizontal | something that is oriented horizontally |
|---|
| horizontality | the quality of being parallel to the horizon |
| Adverbs | horizontally | in a horizontal direction |
|---|
