| assure |
to say to with force or conviction. |
| barrier |
something that blocks the way such as a fence or wall. |
| captain |
a leader. |
| citizenship |
the state of being a legal member of a country. |
| cube |
a solid figure with six square faces all the same size. |
| detect |
to discover or notice. |
| effect |
something produced by a cause. |
| employee |
someone who works for a person or business in return for pay. |
| flexibility |
the capability of bending easily, or being bent easily, and not breaking. |
| mention |
to speak of briefly or in passing. |
| misfortune |
an instance of something very bad or unlucky happening. |
| pollute |
to make dirty or harmful to health by mixing in or adding waste material. |
| rumor |
a piece of information or a story passed from one person to another without any proof that it is true. |
| soar |
to fly or glide in a swift, easy way and at a very great height. |
| structural |
of or pertaining to construction, to things that are constructed, or to the basic parts that are assembled. |