| A | B |
|---|
| ameliorate | Become better |
| conserve | Save; keep from waste |
| detriment | Injury, damage;disadvantage |
| exotic | Introduced from another country |
| folly | Lack of good sense; foolish undertaking |
| formerly | In an earlier period; previously |
| harmony | Agreement; peacable, friendly relations |
| ignore | Refuse to take notice of; disregard |
| impediment | Hindrance; obstruction |
| indolent | Lazy; idle |
| intact | Left complete; uninjured |
| invalid | Not valid; having no force or effect |
| noncarcinogenic | Not producing cancer |
| parsimonious | Stingy |
| raze | Demolish; tear down |
| reticent | Inclined to be silent; secretive |
| retire | Withdraw from active duty |
| retort | Answer; reply |
| subvert | Overturn; undermine |
| tractable | Easily led or controlled |
