| Abbreviation | Definition |
|---|---|
| ABAS | Advanced BIRD Airborne Simulator |
| ABASED | Abase Abasing |
| ABASHED | abashing |
| ABASING | abasement |
| ABAT | Advanced Burglar Alarm Technician |
| ABAT | Agent Based Analytical Tool |
| ABAT | Alcohol Beverage Action Team |
| ABAT | Alcoholic Beverage Action Team |
| ABAT | Applied Behavior Analyst Technician |
| ABATE | A Brotherhood Aimed Towards Education |
| ABATER | A B A T E |
| ABAWD | Able Bodied Adult Without Dependents |
| ABB | A B B American Body Building |
| ABB | A Big Bomb |
| ABB | A Bunch of Businesses |
| ABB | Accelerated Book Build |
| ABB | Activity Based Budgeting |
| ABB | Albany Berkshire Ballet |
| ABB | Alignment Bleaching and Bonding |
| ABB | All Back to Basics |