The quality or state of being necessary, unavoidable, or absolutely requisite. (noun)
The condition of being needy or necessitous; pressing need; indigence; want. (noun)
That which is necessary; a requisite; something indispensable. (noun)
That which makes an act or an event unavoidable; irresistible force; overruling power; compulsion, physical or moral; fate; fatality. (noun)
The negation of freedom in voluntary action; the subjection of all phenomena, whether material or spiritual, to inevitable causation; necessitarianism. (noun)
Greater utilitarian good; used in justification of a criminal act. (noun)
Indispensable requirements (of life). (noun)
Examples of word necessity
If the failure of mills and furnaces causes men to be thrown out of employment, the remedy is to be found, not in the revisal of the measures that have produced these effects, but in the exportation of the men themselves to distant climes, thus producing a necessity for the permanent use of ships instead of canal-boats, with diminished power to maintain trade, and every increase of this _necessity_ is regarded as an evidence of growing wealth and power.
[Sidenote: Necessity creates an exception, and the Revolution a case of necessity, the utmost extent of the demand of the Commons.] "My Lords, the concessions" (the concessions of Sacheverell's counsel) "are these: That _necessity_ creates an _exception_ to the general rule of submission to the prince; that such exception is understood or implied in the laws that require such submission; and that _the case of the Revolution was a case of necessity.
Now in the works of nature the good end and the final cause is still more dominant than in works of art such as these, nor is necessity a factor with the same significance in them all; though almost all writers, while they try to refer their origin to this cause, do so without distinguishing the various senses in which the term necessity is used.
If there be any meaning which confessedly belongs to the term necessity, it is _unconditionalness_.
Bat the term necessity here is, I think, too strong an one.