How to Sign "Sis"

To sign "sis" (or sister), start with both hands in an "L" handshape, with your index fingers pointing forward and thumbs pointing up. Place the thumb of your dominant hand against your chin or jawline. Then, bring your dominant hand down to rest on top of your non-dominant hand, tapping the sides of your hands together.

Examples Using "Sis" in a Sentence

1

Hey sis, how are you?

Sign 'hello', then sign 'sis' by bringing your dominant 'L' hand from your chin down to your non-dominant hand, followed by the sign for 'how are you'.

2

My sis is coming over.

Point to yourself for 'my', sign 'sis', and then use the sign for 'come here' to show that she is arriving at your location.

3

I love my sis.

Point to yourself, cross your arms over your chest for 'love', point to yourself again for 'my', and finish with the sign for 'sis'.

How to Sign "Sis"
To sign "sis" (or sister), start with both hands in an "L" handshape, with your index fingers pointing forward and thumbs pointing up. Place the thumb of your dominant hand against your chin or jawline. Then, bring your dominant hand down to rest on top of your non-dominant hand, tapping the sides of your hands together.
Visual Logic(Etymology)
The visual logic of this sign is beautifully rooted in ASL history. Signs located on the lower half of the face, near the chin, represent female family members—a tradition believed to stem from the strings of bonnets women used to wear. The second part of the sign, where the two hands meet in front of the body, is derived from the concept of 'same' or 'equal'. Together, they literally illustrate a 'female of the same family.'
Signing Tips
When signing 'sis', make sure to clearly define your 'L' handshapes with your index fingers pointing straight forward and thumbs pointing up. Pay close attention to your starting position. The chin and jawline area is the designated feminine space in ASL. Starting the sign exactly on your chin ensures your meaning is clear and distinguishes it from similar family signs. Keep the downward motion smooth and relaxed as your hands come together.
Common Mistakes
A very common mistake for beginners is starting the sign at the forehead instead of the chin. Because the forehead is the masculine sign area, doing this changes the word from 'sis' to 'brother'. Another frequent error is using closed fists or '1' handshapes instead of the proper 'L' handshapes. Make sure both thumbs are extended and clearly visible before you bring your dominant hand down to rest on your non-dominant hand.
Regional Variations
This sign is widely used and understood across the ASL community with minimal regional variation.
Examples Using "Sis" in a Sentence
1

Hey sis, how are you?

Sign 'hello', then sign 'sis' by bringing your dominant 'L' hand from your chin down to your non-dominant hand, followed by the sign for 'how are you'.

2

My sis is coming over.

Point to yourself for 'my', sign 'sis', and then use the sign for 'come here' to show that she is arriving at your location.

3

I love my sis.

Point to yourself, cross your arms over your chest for 'love', point to yourself again for 'my', and finish with the sign for 'sis'.

Frequently Asked Questions
Is the sign for 'sis' the same as 'sister'?

Yes, in ASL, the sign for 'sis' is typically the exact same sign used for 'sister'. In very casual conversation, some people might quickly fingerspell S-I-S, but the standard sign is the most common and universally understood.

Why does the sign start at the chin?

In ASL, signs related to females (like mother, aunt, girl, and sister) are placed at the lower half of the face, specifically around the chin or jawline. Male signs are placed at the top half of the face.

Do I have to use both hands for this sign?

Yes, this is a two-handed sign. Your dominant hand does the moving, starting at the chin, while your non-dominant hand acts as a stationary base in front of your chest to receive the movement.

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