NECESSITY
necessity, essential, requirement, requisite, necessary
(noun) 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 obtained”
necessity
(noun) the condition of being essential or indispensable
Source: WordNet® 3.1
Etymology
Noun
necessity (countable and uncountable, plural necessities)
The quality or state of being necessary, unavoidable, or absolutely requisite.
The condition of being needy; desperate need; lack
Something necessary; a requisite; something indispensable.
Something which makes an act or an event unavoidable; an irresistible force; overruling power
The negation of freedom in voluntary action; the subjection of all phenomena, whether material or spiritual, to inevitable causation; necessitarianism.
(legal) Greater utilitarian good; used in justification of a criminal act.
(legal, in the plural) Indispensable requirements (of life).
Synonyms
• (state of being necessary): inevitability, certainty
Antonyms
• (state of being necessary): impossibility, contingency
• (something indispensable): luxury
Anagrams
• cysteines
Source: Wiktionary
Ne*ces"si*ty, n.; pl. Necessities. Etym: [OE. necessite, F.
nécessité, L. necessitas, fr. necesse. See Necessary.]
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.
Urge the necessity and state of times. Shak.
The extreme poverty and necessity his majesty was in. Clarendon.
3. That which is necessary; a necessary; a requisite; something
indispensable; -- often in the plural.
These should be hours for necessities, Not for delights. Shak.
What was once to me Mere matter of the fancy, now has grown The vast
necessity of heart and life. Tennyson.
4. That which makes an act or an event unavoidable; irresistible
force; overruling power; compulsion, physical or moral; fate;
fatality.
So spake the fiend, and with necessity, The tyrant's plea, excused
his devilish deeds. Milton.
5. (Metaph.)
Definition: The negation of freedom in voluntary action; the subjection of
all phenomena, whether material or spiritual, to inevitable
causation; necessitarianism. Of necessity, by necessary consequence;
by compulsion, or irresistible power; perforce.
Syn.
– See Need.
Source: Webster’s Unabridged Dictionary 1913 Edition