How to Sign Mouth

The short answer

In American Sign Language (ASL), MOUTH is commonly signed by pointing the index finger of your dominant hand at your mouth and tracing a small circle around your lips. Like many ASL body-part signs, it works by indicating the body part directly, so the location and the size of the movement carry most of the meaning.

This guide describes ASL, the sign language most widely used in the United States. Other sign languages, such as British Sign Language or Langue des Signes Française, are separate languages and may sign the word differently. Signs can also vary by region and community, so treat this description as a common form rather than the only correct one.

How to form the sign step by step

• 1. Choose your dominant hand, the one you normally write with. Either hand is acceptable, but stay consistent.
• 2. Make the handshape: extend your index finger and curl your other fingers into your palm, with your thumb resting over them. In ASL this is often called the "1" handshape.
• 3. Place your fingertip just in front of your lips, pointing toward your mouth. It can sit close to your face without pressing on it.
• 4. Trace a small circle around your lips, keeping the circle about the size of your mouth.
• 5. Keep your facial expression neutral and relaxed unless you are adding meaning on purpose.

How to check that you signed it correctly

Watch yourself in a mirror. The circle should stay centered on your lips. If it drifts up toward your nose or down toward your chin, the sign becomes harder to read.

Compare your form with a video entry in a reputable ASL dictionary. A video shows the speed, size and rhythm of the movement, which written instructions cannot fully capture.

If possible, ask a fluent signer to watch you, ideally a Deaf ASL user or a qualified ASL instructor. They can confirm whether your version is clear and tell you whether people in your area use a different variant.

Common mix-ups

• Circle too large: a circle around the whole face is commonly used for FACE, so keep the movement tight around the lips.
• Wrong location: pointing at the chin, cheek or nose shifts attention to a different body part.
• Confusing the sign with mouthing: MOUTH is a sign for the body part. Mouthing is a separate feature of signed languages, covered in the next section.
• Nearby body parts: LIPS, TEETH and TONGUE have their own signs. Look these up separately rather than assuming they match MOUTH.

Mouth movements in ASL are a separate topic

People searching for "mouth in sign language" sometimes mean the role the mouth plays while signing, not the sign for the word. In ASL, facial expressions and specific mouth shapes, often called mouth morphemes, can change or add meaning, for example by showing size, intensity or manner. Some signers also mouth English words along with certain signs. These are grammatical and communicative features of the language, separate from the vocabulary sign MOUTH. Learning them well usually requires lessons or guidance from fluent signers.

Limitations of this guide

No verified video references or dictionary entries were supplied for this article. The description above reflects a widely taught ASL form, but it cannot confirm regional variants or the exact movement size a particular community prefers. Before relying on the sign in important conversations, confirm it with a video dictionary or a fluent ASL signer.