| Term | Definition |
|---|---|
| Sei-za |
Kneel |
| Sensei |
Teacher |
| Shia |
Contest |
| Shiajio |
Contest area |
| Shido |
first penalty equal to koka (3 points against) |
| Shime-Waza |
Strangles / Ccocking Techniques |
| Shinbanin |
Referee |
| Sode |
Sleeve |
| Sore-Made |
Finish |
| Suri-Ashi |
Sliding feet |