| backward |
with the last part first; in a way that is the opposite of the usual way. |
| cave |
a large, natural hole in rock or under the earth. A cave is big enough for a person or animal to enter. |
| drain |
to remove a liquid from something through a pipe. |
| flock |
a group of animals or birds of one kind that stay or are kept together. |
| frighten |
to cause fear in someone; to make someone afraid. |
| hillside |
the side of a hill. |
| joy |
a strong feeling of being happy. |
| knock |
to hit a door in order to make noise. |
| midnight |
twelve o'clock at night. |
| nation |
a country made up of people living under their own government. |
| park |
an area of public land that anyone can use for rest and enjoyment. |
| problem |
a question or condition that is difficult to understand or to deal with. |
| science |
a careful method of studying and learning about things in nature. |
| ticket |
a small piece of paper that shows that you have paid for something. |
| writer |
a person whose job is to create books, articles, poems, or other materials; author. |