Undulation in British Sign Language (BSL)
The sign for “undulation” in BSL refers to a wavy or flowing motion, often used to describe movement or changes that are not linear. It can be seen in contexts such as describing waves, the movement of animals, or even emotional states. This sign is commonly used in storytelling, poetry, and expressive communication within the UK Deaf community.
How to Sign “Undulation” in BSL

- Start with both hands in a relaxed “flat” handshape (like a “B” handshape) with palms facing down.
- Position your hands at chest height, slightly apart from each other.
- Begin to move your hands in a wave-like motion, making a smooth up and down movement while also shifting them side to side slightly.
- As your hands undulate, ensure your facial expressions reflect the movement, possibly showing excitement or fluidity.
- Maintain a steady rhythm as you perform the sign, allowing the movement to mimic the natural feeling of undulation.
Common Mistakes
- Not using enough movement: Some learners may perform the sign too stiffly, missing the fluidity required to convey “undulation.”
- Incorrect handshape: Using the wrong handshape can lead to confusion. Always use a relaxed flat handshape.
- Neglecting facial expressions: Forgetting to incorporate appropriate facial expressions can make the sign less impactful and expressive.
BSL vs ASL
In BSL, “undulation” is represented with a specific handshape and motion that emphasizes flow and fluidity. In contrast, ASL may use a different handshape and motion to convey a similar meaning, often with less emphasis on facial expression. This highlights the unique grammar and visual aspects of BSL.
Related Signs
- Waves – Sign representing the motion of ocean waves.
- Flow – Indicates smooth, continuous movement.
- Motion – A general sign for movement.
- Ripple – Describes small waves or disturbances on a surface.
- Smooth – Represents a seamless, flowing motion.
Frequently Asked Questions
How can I use “undulation” in a BSL sentence?
You could say, “The waves undulate beautifully,” by signing “WAVES” followed by the sign for “UNDULATION.”
Are there regional variations for this sign in the UK?
While the sign for “undulation” is generally consistent, some regions may have slight variations in movement or facial expression.
What similar signs are used in BSL?
Signs like “WAVES” and “FLOW” convey related meanings and can be used interchangeably in some contexts.
What tips do you have for learning this sign?
Practice in front of a mirror to see your movement and facial expressions. Watching others perform the sign can also help.
Can I use this sign in poetry?
Yes, “undulation” is a great sign to use in BSL poetry, adding depth and visual imagery to your performance.
How can I improve my expressive signing?
Focus on incorporating facial expressions and body language, as they are essential in conveying emotions in BSL.
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