HPSL Views 6 meanings found HPSL commonly refers to high‑performance hardware such as smart lids or spring locks, while in academia it denotes a linguistics school or a health‑professions loan, and it can also describe a half‑pay sick‑leave arrangement. Miscellaneous Half Pay Sick Leave High Pressure Sodium Lamp Academic & Science High Performance Smart Lid Hermann Paul School of Linguistics Health Professions Student Loan Business High Performance Spring Lock