sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Assignment to Special Duty | *** |
| American Tract Society Dictionary | *** |
| Agency for Toxic Substances and Disease | *** |
| Auk Ta Shaa Discovery | *** |
| Advanced Transportation System Development | ** |
| Advanced Technology Services Division | ** |
| Air Traffic Standards Division | ** |
| Air Traffic Standards Department | ** |
| American Tundra Shepherd Dog | ** |
| Advanced Television Standards Directive | ** |
| Assistants to the Secretary of Defense | ** |
| Assistive Technology Services Directory | ** |
| Acceptance Test Start Date | ** |
| Acute Traumatic Stress Disorder | * |
| Air Tasking Service Dortmund | * |
| A the Secretary of Defense | * |
| Agency for Toxic Substances and Diseases | * |
| Advanced Transportation Systems Division | * |
| Access Toronto Service Directory | * |
| Advanced Technology Support Division | * |