| Abbreviation | Definition |
|---|---|
| SWOT | Strengths, Weaknesses, Opportunities, and Threats |
| SWPA | Southwestern Power Administration |
| SWQD | Surface Water Quality Division |
| SWQS | Surface Water Quality Standards |
| SXW | Self eXplanatory Wording |
| SXZ | Self-eXplanatory Zone |
| SY | Solicitation Year |
| SYG | Stand Your Ground |
| SYLS | Support Your Local Senators |
| SYP | Share Your Power |
| SYRS | System Requirements Specification |
| SZL | Security Zone Limit |
| SZL | Strategic Zone Lending |
| SZLP | Strategic Zone Lending Pool |
| SZM | Shared Zone Management |
| SZN | Simple Zone Neutrality |
| SZT | Single Zone Territory |
| SZV | Shared Zone Violation |
| SZW | Single Zone Warfare |
| T | For This |