NEC

a. Of or pertaining to necessarianism. [ 1913 Webster ]

n. The doctrine of philosophical necessity; necessitarianism. Hixley. [ 1913 Webster ]

adv. In a necessary manner; by necessity; unavoidably; indispensably. [ 1913 Webster ]

n. The quality of being necessary. [ 1913 Webster ]

a. [ L. necessarius, from necesse unavoidable, necessary; of uncertain origin: cf. F. nécessaire. ] 1. Such as must be; impossible to be otherwise; not to be avoided; inevitable. [ 1913 Webster ]

Death, a necessary end,
Will come when it will come. Shak. [ 1913 Webster ]

2. Impossible to be otherwise, or to be dispensed with, without preventing the attainment of a desired result; indispensable; requisite; essential. “'T is necessary he should die.” Shak. [ 1913 Webster ]

A certain kind of temper is necessary to the pleasure and quiet of our minds. Tillotson. [ 1913 Webster ]

3. Acting from necessity or compulsion; involuntary; -- opposed to free; as, whether man is a necessary or a free agent is a question much discussed. [ 1913 Webster ]

n.; pl. Necessaries 1. A thing that is necessary or indispensable to some purpose; something that one can not do without; a requisite; an essential; -- used chiefly in the plural; as, the necessaries of life. [ 1913 Webster ]

2. A privy; a water-closet. [ 1913 Webster ]

3. pl. (Law) Such things, in respect to infants, lunatics, and married women, as are requisite for support suitable to station. [ 1913 Webster ]

a. Of or pertaining to the doctrine of philosophical necessity in regard to the origin and existence of things, especially as applied to the actings or choices of the will; -- opposed to libertarian. [ 1913 Webster ]

n. One who holds to the doctrine of necessitarianism. [ 1913 Webster ]