| Term | Definition |
| lagoon | shallow body of water partly cut off from the sea by a strip of land |
| laity | laypersons, persons not connected with clergy |
| lambaste | beat, thrashing verbally/physically |
| lament | express sorrow |
| lampoon | ridicule |
| lancet | small sergical tool used for incision |
| languid | weary,sluggish |
| languish | lacking spirit |
| langour | lassitude, depression |
| lank | long, thin |
| lap | take in food or drink |
| larceny | theft |
| larder | pantry |
| largess | generous gift |
| lascivious | lustful |
| lassitude | langour |
| latent | potential but undeveloped |
| lateral | come from side |
| latitude | freedom from narrow limitations |