| K | definition | example sentence |
| karate | a martial art that employs kicks and punches | My brother has a black belt in karate, so don't bully me! |
| kindness | the quality of being kind to other living things | If you speak and act with kindness, everyone will like you. |
| knowledge | facts and information known by someone | We all need the knowledge and skills that an education provides. |
| L | definition | example sentence |
| labour | work, especially physical work | Does this price include the cost of labour? |
| lack | a shortage of something | The lack of English-speaking workers is a problem. |
| land | an area of ground | How much of this land can be used for farming? |
| laughter | the act or the sound of laughing | There's always a lot of laughter in Maria's classes. |
| lava | hot, molten rock | Look at all that lava coming down the side of the volcano! |
| leather | animal skin used for making clothes, bags, etc. | If you're going to ride a motorbike, wear a leather jacket. |
| leisure | free time, or things you do in your free time | Her favourite leisure activities are reading and playing tennis. |
| lightning | flashes of light in the sky during a storm | Did you see all the lightning during the storm last night? |
| linguistics | the study of language | If you study linguistics, you'll learn all about language and how it works. |
| literature | novels, short stories, poetry, etc. | English literature was my favourite subject at school. |
| litter | rubbish dropped in public places | People who leave their litter behind are lazy and selfish. |
| livestock | animals that are kept on a farm | Are you sure the livestock on this farm is well-treated? |
| logic | reasoned thought | Can you explain the logic behind your decision? |
| loneliness | unhappiness caused by being alone | She lives by herself, but she doesn't suffer from loneliness. |
| love | a very strong feeling of affection | How many different kinds of love can you think of? |
| luck | good fortune | Kim never seems to have much luck when she gambles. |
| luggage | bags and suitcases used while travelling | Can I leave my luggage here while I go to the bathroom? |