| A | B |
|---|
| accumulate (v) | to increase in number or amount; to pile up, collect, or gather |
| aggravate (v) | to make worse; to anger or annoy |
| aggravation (n) | annoyance; exasperation: source of annoyance or exasperation |
| conserve (v) | to save by using carefully |
| conservation (n) | the saving or protection of something through careful use |
| contaminate (v) | to harm by contact with something undesirable |
| contamination (n) | the act or result of contaminating |
| diminish (v) | to make or become smaller or less;to reduce |
| drastic (adj) | severe; extreme |
| extravagant (adj) | spending, costing, or using more than is required |
| extravagance (n) | the quality of being wasteful or spending more than is necessary |
| frugal (adj) | careful in spending or using something |
| impurity (n) | something that is harmful or dirty |
| peril (n) | danger; something that is dangerous |
| imperil (v) | to place in danger |
| perilous (adj) | dangerous |
| perpetual (adj) | lasting or seeming to last forever or for a long time; continuous |
| resource (n) | a supply that can be used when there is a need; source of annoyance or exasperation |
| resourceful (adj) | able to deal with difficult problems |
| substitute (v) | to replace one thing or person for another |
| substitute (n) | something or someone that replaces another |
| substitute (adj) | acting in place of something or someone else |
| sustain (v) | to keep up; support; to suffer; to undergo |
| vital (adj) | necessary for continued life or prosperity; full of lively spirit; of the greatest importance |
