LESSON 9

To save by suing carefully

• drastic

• diminish

• aggravate

• conserve

Spending, costing, or using more than is required

• extravagant

• conserve

• diminish

• contaminate

To increase in number or amount; to pile up, collect, or gather

• diminish

• conserve

• aggravate

• accumulate

To make worse

• contaminate

• aggravate

• accumulate

• conserve

Necessary for continued life or prosperity

• peril

• resource

• sustain

• vital

Careful in spending or using something

• vital

• impurity

• resource

• frugal

To make or become smaller or less; to reduce

• conserve

• extravagant

• diminish

• drastic

Severe; extreme

• diminish

• drastic

• conserve

• aggravate

Something that is harmful or dirty

• peril

• resource

• sustain

• impurity

Lasting or seeming to last forever or for a long time; continuous

• resource

• peril

• perpetual

• frugal