| complexity |
the state or condition of being complex or complicated. |
| consent |
to give permission or approval; agree (often followed by "to"). |
| disgrace |
loss of respect, honor, or favor; shame. |
| ecosystem |
a community of living things, together with their environment. |
| herald |
a person who conveys or announces official news; messenger. |
| instance |
a case, example or occasion. |
| jubilee |
a particularly celebrated anniversary, such as the fiftieth, or the celebration itself. |
| marvel |
a thing, person, or event that causes wonder or amazement. |
| mourn |
to feel or act very sad because of a death or great loss; grieve. |
| rebound |
to bounce or leap back or away after hitting something. |
| replication |
the repeating of an experiment under the original conditions. |
| startling |
causing one to move suddenly or involuntarily because loud, sudden, or unexpected. |
| terrain |
land or ground, or the natural characteristics of its surface. |
| untrustworthy |
not to be depended upon for honesty, loyalty, or responsible conduct. |
| urban |
of or having to do with a city or town. |