| barrier |
something that blocks the way such as a fence or wall. |
| custom |
a way of acting that is usual or accepted for a person or a social group. |
| diagnose |
to determine the identity of (a disease) by examination. |
| fluid |
a liquid or gas. A fluid flows easily and takes the shape of the container that holds it. Water and air are fluids. |
| formal |
following accepted rules for doing something; proper, legal, or official. |
| lance |
a weapon with a long pole and pointed metal head. |
| overwhelm |
to beat or defeat by greater force; destroy. |
| photographer |
a person whose job is to take photographs. |
| population |
the people who live in an area, considered as a group. |
| research |
careful study of something in order to find out information about it. |
| scoundrel |
a wicked person; villain. |
| selection |
the act of choosing one thing from a group. |
| trait |
a characteristic or quality that makes a person or animal different from others. |
| uncover |
to discover or make known; reveal. |
| waste |
to use or spend in a careless way or for little or no return. |