| abrupt |
When something is abrupt, it happens without anybody expecting it, and it often happens very quickly. [1/2 definitions] |
| action |
The word "action" can mean a lot of things happening quickly or at the same time. [1/5 definitions] |
| agile |
moving quickly and gracefully. [1/2 definitions] |
| agility |
the ability to move or think easily and quickly. |
| agony |
Agony is very terrible pain or suffering that does not go away quickly. Agony can be physical or emotional. |
| alert |
When you are awake and watching everything around you carefully, you are alert. When you are alert, you can act quickly if you need to. [1/3 definitions] |
| animate |
When people animate a figure in a cartoon, they make it look as if it is moving. They do this by creating many, many pictures that are only slightly different from each other. When a person looks from one picture to the next picture very quickly, it looks as if the figure in the pictures is moving. [1/3 definitions] |
| animated cartoon |
a motion picture made by photographing a series of drawings showing stages of movement. The motion seems real when the drawings are shown quickly one after another. |
| apt |
able to learn quickly. [1/3 definitions] |
| aptitude |
ability to learn quickly. [1/2 definitions] |
| bamboo |
a tropical grass plant that has hard, woody, hollow stalks. Bamboo stalks grow straight and tall, and very quickly. Many kinds of bamboo grow as high as a tree. [1/2 definitions] |
| barrage |
a great number of things coming one after another very quickly. |
| barricade |
a structure that is put up quickly for protection or to block the way. [1/2 definitions] |
| beat |
When you beat something, you mix it quickly and with a lot of energy. [1/7 definitions] |
| biodegrade |
When something biodegrades, it breaks down because of the action of things like bacteria and fungi. Things like vegetables, meats, and fruits will biodegrade quite quickly. That's why you can't keep them forever, even in the refrigerator. They will eventually break down into tiny substances that are good nutrients for the soil, though. |
| blink |
to close and open the eyes very quickly. [1/2 definitions] |
| blow2 |
When we say that the wind is blowing, it means that the air outside is moving quickly. [1/7 definitions] |
| boom1 |
to grow or increase quickly. [1/4 definitions] |
| bounce back |
to return to a normal condition quickly or completely. |
| breeze |
(informal) a simple or quickly finished task. [1/3 definitions] |
| brisk |
If you go for a brisk walk, you walk quickly and with a lot of energy. [1/2 definitions] |