| behind |
in or at the back of; on the other side of. |
| change |
to make different. |
| guard |
to protect or pay close attention to something in order to keep it safe. |
| light1 |
the form of energy that makes it possible for the eye to see. The sun produces light. |
| lock |
a device used to prevent people from taking something or to keep something closed. |
| mysterious |
not known and not able to be explained. |
| pile |
a number of things on top of each other, or a mass of material that forms a small hill. |
| runner |
a person who is moving along quickly on his or her feet, or a person who races on foot. |
| skate |
to move over ice or another hard surface using shoes that have a blade or wheels attached to the bottom. |
| staircase |
a set of steps with a railing that goes from one floor to another in a building. |
| terrific |
very good; fantastic. |
| trim |
to make neat by cutting away some parts. |
| upset |
to turn something over. |
| useful |
having a practical use or purpose. |
| widow |
a woman whose husband has died. |