How to Sign "Block"

To sign 'block', hold your non-dominant hand flat in front of your chest, palm facing your body with fingers pointing toward your dominant side. Form a flat handshape with your dominant hand, fingers pointing up. Move your dominant hand forward so it strikes the palm of your non-dominant hand. This motion visually represents an action moving forward and being stopped by a barrier.

Examples Using "Block" in a Sentence

1

The fallen tree blocked the road.

Use the sign for 'block' here to demonstrate the physical barrier created by the tree. The firm stop of your dominant hand perfectly illustrates how the road is completely obstructed, preventing any cars from moving forward.

2

I need to block that phone number.

Even though this is a digital action, the sign for 'block' works perfectly. It visually represents putting up a firm barrier to stop unwanted calls or messages from reaching your phone.

3

Please don't block the doorway.

Sign 'block' to clearly tell someone they are acting as a physical barrier in the entrance. The visual nature of the sign emphasizes that they are stopping the flow of people trying to get through.

How to Sign "Block"
To sign 'block', hold your non-dominant hand flat in front of your chest, palm facing your body with fingers pointing toward your dominant side. Form a flat handshape with your dominant hand, fingers pointing up. Move your dominant hand forward so it strikes the palm of your non-dominant hand. This motion visually represents an action moving forward and being stopped by a barrier.
Visual Logic(Etymology)
The sign for 'block' is highly iconic and relies on a clear visual metaphor. Your stationary non-dominant hand represents a solid wall, closed door, or barrier. Your dominant hand represents a person, object, or action moving forward until it is abruptly halted by the obstruction.
Signing Tips
To make your sign clear and natural, ensure your non-dominant hand stays completely stationary like a solid wall. Your dominant hand should move forward with purpose and come to an abrupt, crisp stop the moment it makes contact. This sharp stop is what gives the sign its meaning of obstruction or prevention.
Common Mistakes
Beginners often make the mistake of moving both hands toward each other at the same time. To sign 'block' correctly, your non-dominant hand must remain perfectly still to represent the barrier. Only your dominant hand should be in motion, moving forward until it hits the stationary hand.
Regional Variations
This sign is widely used and understood across the ASL community with minimal regional variation.
Examples Using "Block" in a Sentence
1

The fallen tree blocked the road.

Use the sign for 'block' here to demonstrate the physical barrier created by the tree. The firm stop of your dominant hand perfectly illustrates how the road is completely obstructed, preventing any cars from moving forward.

2

I need to block that phone number.

Even though this is a digital action, the sign for 'block' works perfectly. It visually represents putting up a firm barrier to stop unwanted calls or messages from reaching your phone.

3

Please don't block the doorway.

Sign 'block' to clearly tell someone they are acting as a physical barrier in the entrance. The visual nature of the sign emphasizes that they are stopping the flow of people trying to get through.

Frequently Asked Questions
Can I use this sign for a toy block?

No, this specific sign means to prevent, hinder, or obstruct an action. If you want to talk about a toy block, a building block, or a square shape, you would use both hands in 'C' handshapes to physically outline the shape of a cube in the air.

Does it matter which hand acts as the barrier?

Yes, it is standard practice to use your non-dominant hand as the stationary barrier. Your dominant hand, which is typically your more active hand, should be the one that moves forward and is stopped by the barrier. Reversing this can feel awkward and look unnatural.

How hard should I strike my hand when signing?

You do not need to hit your hand forcefully or cause yourself pain. A firm, crisp tap is all that is needed to effectively convey the idea of an action being abruptly stopped. Focus on the sudden stop rather than the force of the impact.

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