| birth |
the act or fact of being born. |
| collapse |
to fall down; give way; cave in. |
| contagious |
able to be spread from person to person. |
| grubby |
dirty or messy. |
| invention |
the act or process of coming up with or creating something new. |
| military |
the armed forces. |
| mount1 |
to climb. |
| perfect |
free from mistakes or faults. |
| persistent |
continuing, lasting, or holding on in a firm, steady way. |
| perspire |
to give off moisture through the pores of the skin; sweat. |
| resident |
a person who lives in a particular place. |
| semester |
one half of a school or college year. |
| sift |
to spread or sprinkle using a sieve or as though using a sieve. |
| supervisor |
a person who watches over other workers and who guides and disciplines them. |
| trudge |
to walk in a heavy way with much effort or weariness. |