NECESSARY, a.
1. That must be that cannot be otherwise indispensably requisite. It is necessary that every effect should have a cause.
2. Indispensable requisite essential that cannot be otherwise without preventing the purpose intended. Air is necessary to support animal life food is necessary to nourish the body holiness is a necessary qualification for happiness health is necessary to the enjoyment of pleasure subjection to law is necessary to the safety of persons and property.
3. Unavoidable as a necessary inference or consequence from facts or arguments.
4. Acting from necessity or compulsion opposed to free. Whether man is a necessary or a free agent is a question much discussed.
NECESSARY, n. A privy.
The King James Bible has stood its ground for nearly 400 years. However, during that time the English language has changed, and with it the meanings of some words it used. Here are more than 6,500 words whose definitions have changed since 1611.Wikipedia
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