Necessary definition

nĕsĭ-sĕrē
Frequency:
Needed or required.

A contract complete with the necessary signatures; conditions necessary to life.

adjective
24
6
(dial.) A privy or toilet.
noun
7
3
A necessary thing; thing essential to life, some purpose, etc.
noun
6
2
(law) Those things essential to maintaining a dependent or incompetent in comfort and well-being.
noun
8
5
Logically inevitable.

A necessary conclusion.

adjective
1
0
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Something indispensable.
noun
1
1
That cannot be dispensed with; essential; indispensable.

The nutriments necessary to life.

adjective
1
1
Resulting from necessity; inevitable.

A necessary result.

adjective
1
1
Acting from necessity or compulsion; involuntary.

Whether man is a necessary or a free agent is a question much discussed.

adjective
1
1
Required by obligation, compulsion, or convention.

Made the necessary apologies.

adjective
0
0
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Unavoidably determined by prior conditions or circumstances; inevitable.

The necessary results of overindulgence.

adjective
0
0
(archaic) Rendering some essential and intimate service.
adjective
0
0
That must be done; mandatory; not voluntary.
adjective
0
0
Not free to choose; compelled by circumstances.

A necessary agent.

adjective
0
0
adjective
0
0
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Such as must be; not to be avoided; inevitable.
adjective
0
0
(archaic, UK) Bathroom, toilet, loo.
noun
0
0
Inherent in the situation; undeniable; unavoidable from the premises.
adjective
3
4
The definition of necessary is being essential or required.

An example of necessary is a high school diploma or GED to obtain college admittance.

adjective
1
2

Other Word Forms

Adjective

Base Form:
necessary
Superlative:
necessariest

Origin of necessary

  • Middle English necessarie from Old French necessaire from Latin necessārius from necesse ked- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Middle English necessarye, from Old French necessaire, from Latin necessārius (“unavoidable, inevitable, indispensable, requisite"), from necesse (“unavoidable, inevitable, indispensable"), neuter adjective with esse and habeō (“I have"), probably originating from ne cessum or non cessum, from ne (“not") + cessus, perfect passive participle of cÄ“dō (“I yield"); see cede.

    From Wiktionary