Found 6 full forms for USAS
| Term | Full Form | Category |
|---|---|---|
| USAS | UCREL Semantic Analysis System 
| Others |
| USAS | UCREL1 Semantic Annotation System
| Others |
| USAS | Under Seat Ackerman Steering
| Others |
| USAS | United States Air Service
| Others |
| USAS | United States Antarctic Service
| Others |
| USAS | United Students Against Sweatshops
| Others |