| Acronym | Definition |
|---|
| HALT | Highly Accelerated Life Testing |
| HALT | Hungry, Angry, Lonely, Tired |
| HALT | Help Abolish Legal Tyranny |
| HALT | Honestly, Actively, Lovingly Tolerant (Alcoholics Anonymous chat slang) |
| HALT | Hope, Acceptance, Love, Tolerance (Alcholics Anonymous chat slang) |
| HALT | High-Speed Avoidance Using Laser Technology (C.H.G. Safety Technologies, Inc.) |
| HALT | Highly Accelerated Life Test/Testing |
| HALT | Helping Arizonans Limit Tragedy |
| HALT | Higher Away, Lower Towards (refraction) |
| HALT | Horse Assisted Learning and Therapy (Summerfield, Florida) |