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Lesson 9
Term | Definition |
---|---|
accumulate | To increase in number or amount; to pile up, collect or gather. (v) |
aggravate | To make worse. (v) To anger or annoy. (v) |
conserve | To save by using carefully. (v) |
contaminate | To harm by contact with something undesirable. (v) |
diminish | To make or become smaller or less; to reduce. (v) |
drastic | Severe; extreme. (adj) |
extravagant | Spending, costing, or using more than is required. (adj) |
frugal | Careful in spending or using something. (adj) |
impurity | Something that is harmful or dirty. (n) |
peril | Danger; something that is dangerous. (n) |
perpetual | Lasting or seeming to last forever or for a long time; continuous. (adj) |
resource | A supply that can be used when there is a need. (n) Skill in dealing with difficult situations. (n) |
substitute | To replace one thing or person for another. (v) Something or someone that replaces another. (n) Acting in place of someone or something else. (adj) |
sustain | To keep up; to support. To suffer; to undergo. |
vital | Necessary for continued life or prosperity. (adj) Full of lively spirit. (adj) Of the greatest importance. (adj) |