sort by Rank | Alpha
| Possible Meanings | Rank |
| Library and Information Science Program | **** |
| Local Internet Service Provider | *** |
| Lots of Infuriating Silly Parenthesis | *** |
| Large and Incredibly Slow Programs | *** |
| Locator ID Separation Protocol | ** |
| Linked Investment Service Providers | ** |
| Lots of Irritating and Senseless Parentheses | ** |
| Language for Internet Scripting and Programming | ** |
| Lost in Stupid Parenthesis | ** |
| Low Income Support Program | ** |
| Legal Information Service to the Public | ** |
| Littoral Investigation of Sediment Properties | ** |
| Light Industry Science Park | ** |
| Lots of Irritating Silly Parenthesis | ** |
| Lots of Insanely Stupid Parentheses | ** |
| Lots of Irritating and Superfluous Parentheses | ** |
| Legal in Service Project | ** |
| Lost in Silly Parentheses | ** |
| Lots of Insidious Silly Parentheses | ** |
| Legal Information Services to the Public | * |
| Local Initiatives Support Programme | * |
| Local Initiative Support Programme | * |
| Local Initiatives and Social Partnership | * |
| Lots of Irritating Single Parenthesis | * |
| Lost in Stupid Parenthetheeth | * |
| Laser Impulse Space Propulsion | * |
| Lincoln Internet Service Providers | * |
| Livermore Internet Service Providers | * |
| London Internet Service Providers | * |
| Lots of Irritating Silly Parentheses | * |