| Static | Something fixed or lacking motion. |
| Stebin | A variant of the name Stephen. |
| Steelie | One who is strong like tempered iron. |
| Stellaluna | A name meaning star and moon. |
| Stellar | Relating to or resembling the stars. |
| Sthapatya | The ancient Indian art of building. |
| Stomp | To tread heavily with the feet. |
| Strum | To play a guitar by sweeping strings. |
| Strummer | One who plays a stringed instrument. |
| Struna | A word meaning string in Slavic tongues. |
| Strung | Having been fitted with tight strings. |
| Subrahm | A name meaning dear to the gods. |
| Subrahmanyan | One who is dear to the god Kartikeya. |
| Suh | A surname meaning gentle or soft. |
| Sui | A name meaning wise or intelligent. |
| Sumata | A name meaning a person of good mind. |
| Sumba | An island located in eastern Indonesia. |
| Sumire | A Japanese name meaning violet flower. |
| Summary | A brief statement of main points. |
| Summerly | Relating to the warm summer season. |
| Summerlyn | A beautiful meadow in the summer. |
| Sundae | A sweet ice cream dessert treat. |
| Sung | To have performed a vocal melody. |
| Sunne | An archaic spelling of the bright sun. |
| Surak | A logical philosopher from Vulcan. |
| Surname | A persons inherited family name. |
| Surtish | Relating to the giant Surturs fire. |
| Suryak | One who is like the sun. |
| Suryavansha | Lineage of the sun god. |
| Suryavanshi | Descendant of the sun. |
| Sutradhar | The main narrator or guide. |
| Svapn | A beautiful dream or vision. |
| Svatantra | One who is truly independent. |
| Svatantri | A person who loves freedom. |
| Svava | One who is selfpossessed. |
| Svyatoslav | One who is gloriously holy. |
| Swaraji | Ruler of ones own self. |
| Swing | To move rhythmically to and fro. |
| Swoopes | A name meaning to descend rapidly. |
| Sylph | An imaginary spirit of the air. |