meaning of necessity
1. The quality or state of being necessary, unavoidable, or absolutely requisite; inevitableness; indispensableness.
2. The condition of being needy or necessitous; pressing need; indigence; want.
3. That which is necessary; a necessary; a requisite; something indispensable; -- often in the plural.
4. That which makes an act or an event unavoidable; irresistible force; overruling power; compulsion, physical or moral; fate; fatality.
5. The negation of freedom in voluntary action; the subjection of all phenomena, whether material or spiritual, to inevitable causation; necessitarianism.
6. anything indispensable; "food and shelter are necessities of life"; "the essentials of the good life"; "allow farmers to buy their requirements under favorable conditions"; "a place where the requisites of water fuel and fodder can be
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