# What is the Opposite(Antonym) of “horizontal”?

## The Opposite(Antonym) of “horizontal”

The antonym of horizontal are vertical, upright, and perpendicular. The antonyms vertical, upright, and perpendicular convey a different orientation or direction.

## Definitions and Examples of vertical, upright, perpendicular

Learn when and how to use these words with these examples!

### vertical

At a right angle to the plane of the horizon; upright.

Example

The skyscraper was so tall that it seemed to touch the vertical sky.

### upright

Erect or vertical, as in position or posture.

Example

He stood upright with his shoulders back and his head held high.

### perpendicular

At an angle of 90 degrees to a given line, plane, or surface.

Example

The ladder was leaning perpendicular to the wall, making it difficult to climb.

## Key Differences: vertical vs upright vs perpendicular

• 1Vertical refers to something that is at a right angle to the plane of the horizon.
• 2Upright describes something that is erect or vertical in position or posture.
• 3Perpendicular refers to something that is at an angle of 90 degrees to a given line, plane, or surface.

## Effective Usage of vertical, upright, perpendicular

• 1Spatial Orientation: Use these antonyms to describe the orientation or direction of objects.
• 2Mathematics: Incorporate these antonyms in geometry to describe angles and lines.
• 3Design and Architecture: Utilize these antonyms to describe the layout and structure of buildings, furniture, and other objects.
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Remember this!

The antonyms have distinct orientations or directions: Vertical is at a right angle to the plane of the horizon, upright is erect or vertical in position or posture, and perpendicular is at an angle of 90 degrees to a given line, plane, or surface. Use these words to describe spatial orientation, mathematics, design, and architecture.

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