| fall back on |
to have another choice if something does not work out; resort to. |
| fan2 |
a person who is very interested in a sport or a performing art, or in a person who does that activity. |
| fast2 |
a period when one does not eat any food. [1/3 definitions] |
| fat |
When a person or animal is fat, their body carries a good deal of weight that does not come from muscle. [1/4 definitions] |
| fictional |
If something is fictional, it exists only in a made-up story. It does not exist in real life. |
| fierce |
When something is fierce, it is very strong and can cause injury or harm. When there is a fierce storm, it means that there is a storm that is strong and does some harm. [1/2 definitions] |
| figure skating |
a kind of skating on ice in which the skater does graceful spinning, jumping, and dancing movements on the ice. |
| first |
When you get home first, it means that you get home before anyone else does. [1/5 definitions] |
| fish |
A fish is an animal that lives in water and does not breathe air. Fish have bones inside their bodies and scales on their skin. [1/4 definitions] |
| fish out of water |
someone in a place or situation where he or she does not feel comfortable. |
| flat1 |
having a surface without areas that are lower or higher than others. A flat surface does not have bumps, hills, or dips; smooth; even. [2/12 definitions] |
| flea |
a tiny insect that does not have wings but can jump far. Fleas feed on the blood of the animals they bite. |
| fool |
a person who does not have good sense or judgment. [1/6 definitions] |
| forgive |
If someone does something that makes you angry, you might stay angry or you might forgive them. When you forgive someone, you tell that person that you don't have angry feelings anymore. You tell them that it is OK. [2 definitions] |
| form |
A person's form is the way their body moves when it does something, especially the way it moves when they are playing a sport or doing exercise. [1/9 definitions] |
| foul |
When someone does a foul thing, they do a very bad or cruel thing, or something that is completely not fair. [1/9 definitions] |
| freedom |
If you have or live in freedom, you are free. Nobody owns you or has total control over you. If someone does not have freedom, they are completely in the power of someone else, and they are forced to stay in one place and cannot leave. People who are in prison do not have freedom. People who are slaves do not have freedom. [1/3 definitions] |
| freshwater |
A freshwater fish is a fish that lives in water that is not salty. A freshwater pond is a natural pond that is not salty. A freshwater thing has to do with water that does not contain salt like an ocean or sea. |
| fruitless |
If you try very hard to do something but all your efforts are fruitless, then you didn't have any success. When something is fruitless, it does not bring what you hoped it would bring. |
| fully |
"Fully" means "thoroughly" or "completely." If a teacher explains something fully, they explain it in a way that does not leave out anything. The explanation is full and complete. |
| fungus |
A fungus is a kind of living thing that is similar to a plant but is not really a plant. A fungus can't make its own food the way a plant does. It has to eat other things, such as dead plants. There are many different kinds of funguses, or "fungi." People can eat certain kinds of them. Some other kinds of fungi are dangerous, though. |