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Necessity vs. Requirement — What's the Difference?

Necessity vs. Requirement — What's the Difference?

Difference Between Necessity and Requirement

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Compare with Definitions

Necessity

The condition or quality of being necessary.

Requirement

In product development and process optimization, a requirement is a singular documented physical or functional need that a particular design, product or process aims to satisfy. It is commonly used in a formal sense in engineering design, including for example in systems engineering, software engineering, or enterprise engineering.

Necessity

Something necessary
The necessities of life include food, clothing, and shelter.

Requirement

A thing that is needed or wanted
Choose the type of window that suits your requirements best

Necessity

Something dictated by invariable physical laws.
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Requirement

Something that is required; a necessity.

Necessity

The force exerted by circumstance.

Requirement

Something obligatory; a prerequisite.

Necessity

The state or fact of being in need.

Requirement

A necessity or prerequisite; something required or obligatory. Its adpositions are generally of in relation to who or what has given it, on in relation to whom or what it is given to, and for in relation to what is required.
There was a requirement of the government on citizens for paying taxes.

Necessity

Pressing or urgent need, especially that arising from poverty.

Requirement

Something asked.

Necessity

The quality or state of being necessary, unavoidable, or absolutely requisite.
I bought a new table out of necessity. My old one was ruined.

Requirement

A statement (in domain specific terms) which specifies a verifiable constraint on an implementation that it shall undeniably meet or (a) be deemed unacceptable, or (b) result in implementation failure, or (c) result in system failure.

Necessity

The condition of being needy; desperate need; lack.

Requirement

The act of requiring; demand; requisition.

Necessity

Something necessary; a requisite; something indispensable.
A tent is a necessity if you plan on camping.

Requirement

That which is required; an imperative or authoritative command; an essential condition; something needed or necessary; a need.
One of those who believe that they can fill up every requirement contained in the rule of righteousness.
God gave her the child, and gave her too an instinctive knowledge of its nature and requirements.

Necessity

Something which makes an act or an event unavoidable; an irresistible force; overruling power.
After eating a full meal, the human body's necessity for food will compel the person to eat again in the future.

Requirement

Required activity;
The requirements of his work affected his health
There were many demands on his time

Necessity

The negation of freedom in voluntary action; the subjection of all phenomena, whether material or spiritual, to inevitable causation; necessitarianism. en

Requirement

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

(legal) Greater utilitarian good; used in justification of a criminal act.
Doctrine of necessity

Requirement

Something that is required in advance;
Latin was a prerequisite for admission

Necessity

Indispensable requirements (of life).

Necessity

The quality or state of being necessary, unavoidable, or absolutely requisite; inevitableness; indispensableness.

Necessity

The condition of being needy or necessitous; pressing need; indigence; want.
Urge the necessity and state of times.
The extreme poverty and necessity his majesty was in.

Necessity

That which is necessary; a necessary; a requisite; something indispensable; - often in the plural.
These should be hours for necessities,Not for delights.
What was once to meMere matter of the fancy, now has grownThe vast necessity of heart and life.

Necessity

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.

Necessity

The negation of freedom in voluntary action; the subjection of all phenomena, whether material or spiritual, to inevitable causation; necessitarianism.

Necessity

The condition of being essential or indispensable

Necessity

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

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