| suspicious |
If something is suspicious, it makes people wonder if something is wrong or if something bad is happening. A suspicious thing may be a strange or surprising thing so it makes people wonder why it is happening. If someone does something suspicious, people might wonder if they are doing something wrong or trying to hide what they are doing. [3 definitions] |
| sustain |
to provide with the basic necessities of life. [2 definitions] |
| sustainable |
When something is sustainable, it is possible to keep it going over time or for it to keep itself going. [2 definitions] |
| SW |
abbreviation of "southwest." |
| Swahili |
Swahili is one of the important languages of the world. It is spoken mostly in countries of east and central Africa. Because Africa has many, many languages, Swahili is often used as a way for people from different language backgrounds to talk with each other. |
| swallow1 |
When you swallow something, you make it go from your mouth to your stomach. [6 definitions] |
| swallow2 |
a small bird with long, pointed wings and often a forked tail. Swallows are known for their graceful flight and move to different areas at certain times of the year. |
| swam |
"Swam" is the past tense of "swim." |
| swamp |
A swamp is land that is mostly covered with water. A swamp has trees and many plants, but they usually grow from soil that is under the water. You can only see the parts of the trees and plants that are above the water. Many kinds of birds, insects, reptiles, and other animals live in or around swamps. [2 definitions] |
| swan |
A swan is a large water bird that is usually white. A swan has a very long neck, and its head is similar in shape to a duck's. |
| swap |
If you swap things with someone, you trade them. If you swap sandwiches with your friend at lunch, your take their sandwich and they take yours. |
| swarm1 |
A swarm is a large number of insects moving together in a group. [2 definitions] |
| sway |
If a person or thing sways, they move or swing back and forth or from side to side. [2 definitions] |
| Swaziland |
Swaziland is the old name of a country in Africa that is now called Eswatini. Eswatini lies between the countries of South Africa and Mozambique. People in Eswatini speak a language called Swazi and also English. |
| swear |
If you swear something, you declare in a very serious and sincere way that what you are saying is the truth. When you swear to do something, you make a very serious promise that you will do it. [2 definitions] |
| swear off |
(informal) to decide or promise to give up. |
| sweat |
When you sweat, you give off a salty liquid from your skin. [4 definitions] |
| sweater |
A sweater is a warm piece of clothing that you wear on the top part of your body. It is often made of wool or a similar material. |
| sweatshirt |
A sweatshirt is a thick cotton shirt with long sleeves that people often wear when they exercise. Sweatshirts sometimes have a hood attached to them. |
| Sweden |
Sweden is a country in Europe. Its neighbors are Norway and Finland. Sweden has many forests and lakes. The northern part of Sweden produces a lot of wood for building things. The southern part of Sweden has many farms. Sweden is famous for making cars and furniture. People in Sweden speak a language called Swedish. |
| Swedish |
When something is Swedish, it is from the country of Sweden, or it has to do with the people, culture, or language of Sweden. [2 definitions] |