| cluster |
a small, close group of things that are alike. |
| combat |
fighting, especially against an enemy in war. |
| foundation |
the basis of something such as an action, substance, structure, or opinion. |
| horizontal |
parallel to the surface of the earth or to the horizon. |
| hygiene |
the practice of keeping clean to stay healthy and prevent disease. |
| immigration |
the act of coming to live permanently in a new country. |
| inject |
to introduce into by force or pressure with a needle. |
| investigation |
the act of examining carefully and closely. |
| meek |
doing what others want; not standing up for oneself; tame. |
| obedient |
likely or willing to obey rules or orders. |
| population |
the people who live in an area, considered as a group. |
| rove |
to wander widely, without a fixed destination; roam. |
| stingy |
spending or giving as little as possible. |
| tariff |
a government tax on goods that come into a country; duty. |
| trauma |
an emotional shock that has a deep effect on one's life for a long time. |