| ability |
the power or knowledge to do something. |
| bar |
a long piece of solid material used to support something, hold something together, or keep something outside or inside. |
| empty |
holding or containing nothing. |
| fuel |
anything such as wood or gasoline that is burned as a source of energy. |
| guard |
to protect or pay close attention to something in order to keep it safe. |
| material |
anything used for building or making new things. Wood, metal, paint, and paper are examples of materials. |
| medical |
having to do with the study or practice of medicine. |
| motion |
the act of moving or changing places. |
| really |
in fact; actually. |
| rusty |
covered with rust; not working well. |
| seal |
a material or object used to close something tight. |
| sport |
an activity in which people compete against each other. Sports have rules and require certain physical skills. |
| trail |
a path or course through a forest or other rural place. |
| unfair |
against what is right or just. |
| unlock |
to open the lock of something. |