Englishfor English speakers
substantial
Adjective
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If something is substantial, it is not small.
The children spent a substantial portion of the day in free play or unstructured time.
The company needs to make substantial reductions in spending.
After the accident, he lost a substantial amount of blood.
Changing the light bulbs might translate into very substantial energy savings.
Soft background music results in substantial improvement in reading comprehension.
We found no substantial evidence supporting these beliefs.
China has a substantial impact on the global economy.
That will help, but I'm not sure it will make a substantial difference.
They would likely benefit from a substantial decline in home prices.
Such a program will require substantial resources to develop and maintain.
health
Noun
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If you talk about the health of a person or animal, you are talking about whether they are sick or not.
The doctors believe that the disease will not be a serious danger to public health.
Before you start exercising, you should be in good health.
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If you have health you are not sick (do not have disease) and are not hurt.
risk
Noun
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A risk is something bad that could possibly happen.
There are many risks associated with the stock market.
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A risk is the chance of something bad happening.
The risk of us failing is too great.
risk
Verb
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To risk something means to take a chance with something.
She risked hypothermia by swimming the English Channel.