Lessons
PocketSign
PocketSign

How to Sign "Undo"

To sign 'undo', hold your non-dominant hand flat in front of you with the palm facing up. Form an 'X' handshape with your dominant hand by curling your index finger into a hook. Place the tip of your hooked index finger on the palm of your non-dominant hand and pull it back towards your body in a single scraping motion.

Examples Using "Undo" in a Sentence

1

I need to undo my mistake.

To sign this, point to yourself for 'I', sign 'MISTAKE', and then use the 'undo' sign. A slightly frustrated facial expression can help convey the feeling of needing to fix an error.

2

Can you undo that?

Point to the person for 'you', point to the action or object, and sign 'undo'. Make sure to raise your eyebrows and lean forward slightly to indicate that you are asking a yes/no question.

3

There is no way to undo it.

Sign 'CAN'T' or 'IMPOSSIBLE' before signing 'undo'. Shake your head while signing to emphasize the negative, showing that the action is permanent and cannot be reversed.

How to Sign "Undo"
To sign 'undo', hold your non-dominant hand flat in front of you with the palm facing up. Form an 'X' handshape with your dominant hand by curling your index finger into a hook. Place the tip of your hooked index finger on the palm of your non-dominant hand and pull it back towards your body in a single scraping motion.
Visual Logic(Etymology)
The visual logic of this sign is highly intuitive. The flat, upward-facing palm of your non-dominant hand represents a surface, a document, or a completed action. The hooked 'X' handshape acts like a tool or a scraper. By pulling the hooked finger backward across the palm, you are visually mimicking the act of scratching something out, erasing a mark, or pulling an action back, perfectly symbolizing the concept of undoing something.
Signing Tips
When signing 'undo', focus on keeping your non-dominant hand completely steady and flat, acting as a stable base or 'page'. The motion of your dominant hand should be a clear, single pull backward across the palm, rather than multiple scratches. Ensure your index finger is tightly hooked in the 'X' handshape. Incorporating a facial expression that matches the context—such as a look of realization or slight frustration when fixing a mistake—will make your signing much more natural and expressive.
Common Mistakes
A frequent mistake beginners make is using a straight index finger instead of the required hooked 'X' handshape, which can confuse the meaning. Another common error is moving both hands; remember that your non-dominant hand must remain stationary while only the dominant hand moves. Additionally, be careful not to draw an 'X' shape on your palm, as that specific motion changes the meaning to 'cancel' rather than 'undo'. Always pull straight back towards your body.
Regional Variations
This sign is widely used and understood across the ASL community with minimal regional variation.
Examples Using "Undo" in a Sentence
1

I need to undo my mistake.

To sign this, point to yourself for 'I', sign 'MISTAKE', and then use the 'undo' sign. A slightly frustrated facial expression can help convey the feeling of needing to fix an error.

2

Can you undo that?

Point to the person for 'you', point to the action or object, and sign 'undo'. Make sure to raise your eyebrows and lean forward slightly to indicate that you are asking a yes/no question.

3

There is no way to undo it.

Sign 'CAN'T' or 'IMPOSSIBLE' before signing 'undo'. Shake your head while signing to emphasize the negative, showing that the action is permanent and cannot be reversed.

Frequently Asked Questions
What is the difference between 'undo' and 'cancel'?

While they are similar, 'cancel' is typically signed by drawing a literal 'X' shape on the palm of your non-dominant hand using your index finger. 'Undo' uses a single, straight backward scraping motion with the 'X' handshape.

Can I use this sign for untying a knot or unbuttoning a shirt?

No, this sign is used for abstract concepts, like undoing a computer command or reversing a mistake. For physical actions like untying a knot or unbuttoning, you would use specific signs or classifiers that mimic the actual physical movement.

Does the direction of the scraping motion matter?

Yes, the direction is very important. You must pull your dominant hand back towards your own body. This inward pulling motion visually reinforces the idea of 'taking back' or reversing an action that has already happened.

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