| placid | calm |
| recoil | shrink back |
| meager | small amount |
| expanse | open area |
| degrade | bring to dishonor |
| blatant | brazenly obvious |
| imperceptible | difficult to detect |
| deteriorate | become worse |
| perusal | casual reading |
| aggregation | a group of people |
| unprecedented | never before seen |
| din | harsh noise |
| ruckus | noisy disturbance |
| hibernate | inactive state |
| archeologist | studies man's past |