How to Sign "Flat"

Start with both hands in flat 'B' shapes, with your fingers together and palms facing down. Hold your non-dominant hand stationary in front of your chest. Place your dominant hand on top of your non-dominant hand. Finally, slide your dominant hand smoothly outward to the side. This straight, horizontal motion mimics feeling a flat, even surface.

Examples Using "Flat" in a Sentence

1

The table is completely flat.

Sign 'table' followed by the sign for 'flat' to describe its surface. Emphasize the smooth sliding motion to show just how even and level the furniture is.

2

We need a flat surface to play the board game.

Use the sign for 'flat' before signing 'area' or 'table' to explain the requirement for the game. Keep your hands perfectly level to clearly convey the meaning.

3

The landscape out here is very flat.

Sign 'flat' with a slightly wider, slower sweeping motion to emphasize the vast, even expanse of the land around you, showing that it goes on for a distance.

How to Sign "Flat"
Start with both hands in flat 'B' shapes, with your fingers together and palms facing down. Hold your non-dominant hand stationary in front of your chest. Place your dominant hand on top of your non-dominant hand. Finally, slide your dominant hand smoothly outward to the side. This straight, horizontal motion mimics feeling a flat, even surface.
Visual Logic(Etymology)
This sign is highly iconic, meaning it visually represents the physical concept it describes. The stationary non-dominant hand acts as a solid base or reference point. Meanwhile, the dominant hand sliding smoothly across it mimics the real-world action of running your palm over a smooth, level, and even surface. This visual logic makes the sign very intuitive for beginners to remember.
Signing Tips
Focus on keeping both hands completely level and parallel to the ground. Your fingers should be closed together in a tight 'B' handshape. Ensure the sliding motion of your dominant hand is smooth, steady, and perfectly straight. Avoid any bouncing, dipping, or waving, as a crisp, horizontal movement is what perfectly illustrates an even, flat surface to your conversation partner.
Common Mistakes
A common mistake beginners make is curving their fingers or letting their hands tilt during the motion. If your hands aren't level, it can confuse the meaning or look like you are signing 'pet'. Make sure your palms stay facing directly down and your hands remain rigidly flat throughout the entire slide to clearly communicate the concept.
Regional Variations
This sign is widely used and understood across the ASL community with minimal regional variation.
Examples Using "Flat" in a Sentence
1

The table is completely flat.

Sign 'table' followed by the sign for 'flat' to describe its surface. Emphasize the smooth sliding motion to show just how even and level the furniture is.

2

We need a flat surface to play the board game.

Use the sign for 'flat' before signing 'area' or 'table' to explain the requirement for the game. Keep your hands perfectly level to clearly convey the meaning.

3

The landscape out here is very flat.

Sign 'flat' with a slightly wider, slower sweeping motion to emphasize the vast, even expanse of the land around you, showing that it goes on for a distance.

Frequently Asked Questions
Can I use this sign to say I have a 'flat tire'?

No, ASL uses a different sign for a flat tire. For a tire, you would use a classifier showing a round object deflating or collapsing. The sign shown here is strictly used for flat surfaces like a table, land, or a board.

Does it matter which hand is on top?

Yes, your dominant hand should always be the one on top doing the moving. Your non-dominant hand serves as the stationary base underneath. If you are right-handed, your right hand slides over your left.

How is this different from the sign for 'smooth'?

While similar in concept, 'smooth' often involves rubbing the thumbs against the fingers as the hands move apart, or a repeated sliding motion. 'Flat' is a single, crisp, straight slide with flat hands to emphasize the physical evenness of a surface.

ASL is a beautiful, expressive language. Practice regularly and have fun!