| Term | Definition |
| ameliorate | to improve, make better, correct a flaw or shortcoming |
| amelioration | The act of making better or improving |
| conserve | keep in safety and protect from harm, decay, loss, or destruction |
| conservation | preservation from loss, injury, or waste |
| conservationist | one who advocates the conservation of natural resources |
| detriment | harm or loss; injury, damage; a disadvantage; a cause of harm, injury, loss, or damage |
| detrimental | harmful; damaging |
| exotic | strikingly strange or unusual |
| folly | foolish or senseless behavior |
| formerly | at a previous time |
| former | the first of two or the first mentioned of two |
| harmony | peaceable or friendly relations |
| harmonious | existing together in harmony |
| ignore | give little or no attention to |
| ignoramus | an ignorant person; a dunce. |
| impediment | a hindrance or obstruction |
| impede | to hinder; to obstruct |
| indolent | disposed to avoid exertion; lazy; idle; lethargic |
| indolence | idleness; laziness |
| intact | undamaged in any way |
| invalid | n.) sickly or disabled person; adj.) not binding in law, having no force or effect |
| invalidate | take away the legal force of or render ineffective, abolish or annul |
| non carcinogenic | (adj) not producing, or tending to produce cancer |
| parsimonious | excessively unwilling to spend; stingy |
| parsimony | extreme stinginess |
| raze | tear down so as to make flat with the ground |
| reticent | reluctant to draw attention to yourself; inclined to be silent or secretive |
| reticence | the trait of being uncommunicative |
| retire | go to bed in order to sleep, withdraw from active participation |
| retort (v.) | a quick reply to a question or remark (especially a witty or critical one) |
| retort (n.) | a sharp or witty reply, or one which turns an argument against its originator |
| subvert | overturn or overthrow from the foundation; undermine |
| subversion | sabotage; undermining |
| tractable | easily managed, easy to deal with; easily wrought, malleable |
| tractability | the trait of being easily persuaded |