| substitute |
A substitute is a person or thing that takes the place of another. For example, some people use honey as a substitute for sugar. |
| subtract |
When you subtract something, you take it away from something else. When you subtract an amount, you take it away from another amount. |
| subtraction |
When you take away one amount from another amount, you are doing subtraction. Let's say you take away one from three. That's an example of subtraction. And when you do this, what happens? You're left with two. Two is the difference. |
| suburb |
A suburb is a kind of place where people live. Suburbs are areas or towns just outside of a city. Many of the adults who live in a suburb go to work in the city every day. |
| suburban |
A suburban area is a place that is right next to a city. Many of the adults who live in a suburban area travel into the city every day to work and then come home in the evening. When Americans think of a suburban area, they think of a place with mostly houses and apartments instead of businesses or farms. |
| subway |
A subway is a train that travels under the ground in a large city. |
| succeed |
If you try to do something and you succeed, it means that you are able to do it in the end. [2 definitions] |
| success |
When something is a success, it goes very well and nothing bad happens. [2 definitions] |
| successful |
When something is successful, it means that it did well or ended well. [2 definitions] |
| such |
If you like cookies and such things, it means that you like cookies and things that are like cookies. [2 definitions] |
| suck |
When you suck something, you pull it into your mouth by using your tongue and lips. |
| Sudan |
Sudan is a country in Africa. Some of its neighbors are Egypt, Ethiopia, and Chad. Most of Sudan is desert, but some parts of the south have rainforests and swamps. Sudan has mostly flat lands with some mountains. Sudan is home to leopards, lions, giraffes, and elephants. In the wet areas of the country live crocodiles and lizards of many types. |
| sudden |
When something is sudden, it happens when you don't expect it. |
| suddenly |
When something happens suddenly, it happens quickly and without people expecting it. |
| suffer |
When people suffer, they feel a lot of pain, or their life is very hard or sad. |
| sugar |
Sugar is a sweet substance that is added to food and drinks. Sugar comes from certain kinds of plants. A lot of sugar that we eat is made from a plant called sugar cane. |
| sugar cane |
Sugar cane is a plant that grows in warm areas of the world. It is a kind of grass that grows tall and has a thick, round stem. People can make sugar from sugar cane, and most sugar that we eat comes from this plant. |
| suggest |
When you suggest something, you say what you think is a good idea. |
| suit |
A suit is a set of clothes that are made to go together. Usually, the clothes are the same color and made of the same material. A suit usually has a jacket and a matching pair of pants or skirt. |
| suitcase |
A suitcase is something people use to carry their clothes and other things they need when they travel. A suitcase is usually made of hard material. It has the shape of a box, and it has a handle on the top. |
| sum |
A sum is the number or amount that you get when you add two or more numbers. |