🤟 BSL Sign Dictionary

Find Any Sign

Search 180 signs · Filter by category, difficulty & handshape · Built for the Deaf community

lightning BSL sign

lightning

A rapid, bright flash of light caused by an electrical discharge during a thunderstorm

Progress Preview

See your learning momentum

🤟 Ready to start?

Learn British Sign Language.
Join the Deaf community.

500+ signs · Level system · Real BSL videos · Completely free to begin

Start Learning Free Join Discord

Deaf-first design No credit card needed 10,000+ learners

Join Discord