Accumulate
To increase in number or amount; to pile up, collect, or gather.
Severe; extreme
Drastic
A ___ rain has been falling for nine days.
Perpetual
Collect
Accumulate
Mild
Drastic
Aggravate
To make worse
To anger or annoy
Spending, costing, or using more that is required
Extravagant
Coal and lumber are natural ____
Resources
Bother
Aggravate
Frugal
Extravagant
Conserve
To save by using carefully.
Careful in spending or using something
Frugal
Cooks sometimes __ lemon for vinegar in salad dressing.
Substitute
Preserve
Clean
Impure
Something that is harmful or dirty
Impurity
Their firm belief that they would be rescued ___ them
Sustain
Pollute
Contaminate
Safety
Peril
Diminish
To make or become smaller or less; to reduce
Danger; something that is dangerous
Peril
Clean water is ___ for our healt
Vital
Diminish
Perpetual