| classification |
the act of putting or ordering things into groups of similar things. |
| donate |
to give in order to help a charity or other group. |
| erosion |
wearing away of the earth's surface by wind or water. |
| expression |
the appearance of one's face at a particular moment that communicates how one feels. |
| federal |
having to do with a system of government that unites several states under a central government. The states have their own governments, yet they recognize the rule of the central government as well. |
| hilarious |
very funny. |
| impose |
to set as something that needs to be followed, done, or obeyed. |
| intricate |
having many complex parts, angles, or aspects; involved; elaborate. |
| jerk |
any sudden, sharp movement that is not expected or planned. |
| military |
the armed forces. |
| mound |
a raised pile; heap. |
| predict |
to tell in advance that something will happen. |
| prod |
to poke with, or as though with, a pointed rod or instrument. |
| resign |
to give up a job or other duty. |
| sulk |
to express anger or bad humor by being silent or distant. |