| chief |
the most powerful or important person in a group; leader. |
| correct |
with no mistakes. |
| cover |
to put or spread something over or on something else. |
| cruel |
willing to cause pain or suffering; not caring if you hurt someone or something. |
| dumb |
(informal) not smart; stupid. |
| exactly |
in a correct or accurate way. |
| form |
the shape or structure of something. |
| frown |
to wrinkle your forehead when you are angry or not happy. |
| group |
a collection of people, things, or ideas that are in one place or have important things in common. |
| mad |
angry. |
| matter |
all substances of the universe that can be seen, touched, or measured. |
| medical |
having to do with the study or practice of medicine. |
| send |
to cause to be carried to another place, especially by mail. |
| swim |
to move through water by moving parts of the body. |
| textbook |
a book used for teaching a particular subject. |