| attack |
to begin to cause harm to. |
| croak |
to make a low, hoarse sound with the voice. |
| differently |
in another or new way. |
| essential |
necessary, needed. |
| excellence |
the condition of being very good or outstanding. |
| frail |
weak or sickly. |
| future |
time that is yet to come. |
| grime |
dirt clinging to or rubbed into a surface. |
| grove |
a small group of trees. |
| lag |
to fall behind an expected pace. |
| launch1 |
the act of putting into motion with force. |
| lighten1 |
to become brighter or less dark in color. |
| mutate |
to display or cause to display a physical trait or characteristic that is different from one's parent or parents as a result of a change within a gene or chromosome. |
| queasy |
feeling sick to one's stomach. |
| software |
any of the programs that are written to operate a computer. |