| 121 | injustice | unfair treatment | Nelson Mandela spent most of his life fighting injustice. |
| 122 | innocence | the fact of not being guilty of a crime | Despite their innocence, many good people were sent to jail. |
| 123 | intelligence | the ability to think about complex ideas | Do you think IQ tests really measure intelligence? |
| 124 | iron | a strong metal (symbol Fe) | In ancient Rome, knives and spear tips were made of iron. |
| 125 | irony | humour in which someone says the opposite of what they really mean | As we stood in the rain, Julie said, with much irony, "Lovely weather, isn't it?" |
| 126 | jam | sweet food made from fruit and spread on bread | Can I have some strawberry jam on my toast, please? |
| 127 | jealousy | a bad feeling experienced if we think someone we love wants someone else | If she even looks at another guy, her boyfriend goes crazy with jealousy. |
| 128 | jelly(British) | a dessert made with gelatine | Mum made some red jelly for dessert. |
| 129 | jelly (USA) | sweet food made from fruit and spread on bread | Can I have one of your peanut butter and jelly sandwiches? |
| 130 | joy | a feeling of great happiness | When I held our first baby, tears of joy ran down my cheeks. |
| 131 | judo | a martial art that employs throws and holds | Did you know that judo is an Olympic sport now? |
| 132 | juice | any liquid that's squeezed from fruit | Every morning I have a glass of freshly-squeezed orange juice. |
| 133 | justice | the fair treatment of people | Those boys who were jailed for a crime they didn't commit are still waiting for justice. |
| 134 | karate | a martial art that employs kicks and punches | My brother has a black belt in karate, so don't bully me! |
| 135 | kindness | the quality of being kind to other living things | If you speak and act with kindness, everyone will like you. |
| 136 | knowledge | facts and information known by someone | We all need the knowledge and skills that an education provides. |
| 137 | labour | work, especially physical work | Does this price include the cost of labour? |
| 138 | lack | a shortage of something | The lack of English-speaking workers is a problem. |
| 139 | land | an area of ground | How much of this land can be used for farming? |
| 140 | laughter | the act or the sound of laughing | There's always a lot of laughter in Maria's classes. |
| 141 | lava | hot, molten rock | Look at all that lava coming down the side of the volcano! |
| 142 | leather | animal skin used for making clothes, bags, etc. | If you're going to ride a motorbike, wear a leather jacket. |
| 143 | leisure | free time, or things you do in your free time | Her favourite leisure activities are reading and playing tennis. |
| 144 | lightning | flashes of light in the sky during a storm | Did you see all the lightning during the storm last night? |
| 145 | linguistics | the study of language | If you study linguistics, you'll learn all about language and how it works. |
| 146 | literature | novels, short stories, poetry, etc. | English literature was my favourite subject at school. |
| 147 | litter | rubbish dropped in public places | People who leave their litter behind are lazy and selfish. |
| 148 | livestock | animals that are kept on a farm | Are you sure the livestock on this farm is well-treated? |
| 149 | logic | reasoned thought | Can you explain the logic behind your decision? |
| 150 | loneliness | unhappiness caused by being alone | She lives by herself, but she doesn't suffer from loneliness. |