Truth in Sign Language: How to Sign TRUE and TRUTH in ASL

The short answer

In American Sign Language (ASL), truth is usually signed with the same handshape and movement as TRUE. With your dominant hand, extend your index finger upward and keep your other fingers closed. Start with the side of that finger near your lips or chin, then move the hand forward and slightly outward, away from your mouth.

The idea behind the sign is that your words come straight from your mouth. The same basic sign, or a close variant, is commonly glossed as TRUE, REAL, SURE, TRULY or ACTUALLY. Context and facial expression tell the viewer which meaning you intend.

Which sign language you mean matters

Sign languages are not universal. ASL is used in the United States and parts of Canada. British Sign Language, Russian Sign Language and others have their own signs for truth, and those signs can look completely different. This guide covers the common ASL sign only. If you need truth (правда) in Russian Sign Language or another national sign language, check a dictionary or a fluent signer of that language. The information supplied for this article does not include verified descriptions of other sign languages.

Step by step: signing TRUE/TRUTH in ASL

• 1. Use your dominant hand, the one you write with.
• 2. Make a 1-handshape: index finger pointing up, other fingers curled into the palm, thumb resting over them.
• 3. Turn the palm sideways, toward your non-dominant side, so the side of your index finger faces your mouth.
• 4. Bring the index finger close to your lips or chin. A light touch is fine, but contact is not required.
• 5. Move the hand forward in a short, smooth arc away from your face.
• 6. Match your facial expression to the meaning. Raised eyebrows can turn the sign into a question ("Really? Is that true?"). A firm nod or serious expression adds emphasis ("It's the truth").

TRUE, TRUTH and related meanings

ASL does not always mark nouns and adjectives with separate signs the way English does. Signers often use the same sign for "true" and "truth" and let the sentence make the role clear. Some signers or teachers use a variant or add a separate sign to show the noun form. Regional and personal variation also exists. If you are learning for a class or a specific community, follow the version your teacher or local Deaf signers use.

Related ideas usually take a different sign. HONEST, for example, is not the same sign as TRUE. Look these up separately rather than assuming they share the TRUE movement.

Making the sign readable on a video call

TRUE is signed close to the mouth, so viewers need to see your face and hand together. A few general setup choices help:

• Framing: Keep your head, shoulders and upper chest in view, with some space around your face so the forward movement isn't cut off at the edge of the frame.
• Lighting: Light your face and hands from the front. A bright window or lamp behind you turns your hand into a silhouette.
• Contrast: A plain physical background that contrasts with your skin tone makes finger shapes easier to read than a busy pattern.
• Virtual backgrounds and blur: Background replacement or blur effects in call apps can smear or partly erase fast-moving fingers, especially near the edges of your body. If your signs look clipped, turn the effect off and use a plain real background instead.
• Speed: Video calls can drop frames or blur motion. Sign at a natural but deliberate pace, and repeat if the other person looks unsure.

Three different things have to work. First, the browser or operating system must grant camera access. Second, the camera must actually show your image. Third, the call must be good enough for your hands to read clearly. Seeing yourself in a preview confirms the second point, but it doesn't guarantee that a slow connection will deliver your signing clearly to the other person.

How to check that you're doing it right

• Record a short clip of yourself signing TRUE with your camera app, then compare it side by side with a video entry from a reputable ASL dictionary.
• Check that the handshape is a single raised index finger, the palm faces sideways, and the movement starts near your mouth and goes forward.
• Watch whether your hand stays fully in frame and in focus through the whole movement.
• If possible, ask a Deaf or fluent ASL signer to confirm it. Feedback from a fluent signer is the most reliable check.

Limitations of this guide

No verified source material, dictionary entries or test recordings were supplied for this article. The description above reflects the commonly taught ASL sign, but written descriptions can't fully capture movement. Use a video dictionary or a fluent signer to confirm the details, and use a dedicated source for any sign language other than ASL.