Synonyms for necessary
ˈnɛs əˌsɛr i

Princeton's WordNet(0.00 / 0 votes)Rate these synonyms:

1. necessity, essential, requirement, requisite, necessary(adj)

   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"

   Synonyms:
   essential, demand, requirement, requisite, necessity, prerequisite

   Antonyms:
   supererogatory, uncalled-for, avoidable, evitable, surplus, superfluous, spare, extra, avertible, excess, unnecessary, gratuitous, avertable, inessential, unneeded, needless, supernumerary, redundant

2. necessary(adj)

   absolutely essential

   Antonyms:
   supererogatory, extra, inessential, surplus, redundant, superfluous, excess, spare, supernumerary, avertable, evitable, avertible, uncalled-for, needless, gratuitous, unnecessary, unneeded, avoidable

3. necessary(adj)

   unavoidably determined by prior circumstances

   "the necessary consequences of one's actions"

   Antonyms:
   spare, supererogatory, avoidable, excess, superfluous, extra, avertable, inessential, unneeded, surplus, uncalled-for, evitable, unnecessary, needless, redundant, gratuitous, supernumerary, avertible

Wiktionary(0.00 / 0 votes)Rate these synonyms:

1. necessary(noun)

   Antonyms:
   unnecessary

2. necessary(adjective)

   needed, required

   Antonyms:
   unnecessary

English Synonyms and Antonyms(0.00 / 0 votes)Rate these synonyms:

1. necessary

   That is necessary which must exist, occur, or be true; which in the nature of things can not be otherwise. That which is essential belongs to the essence of a thing, so that the thing can not exist in its completeness without it; that which is indispensable may be only an adjunct, but it is one that can not be spared; vigorous health is essential to an arctic explorer; warm clothing is indispensable. That which is requisite (or required) is so in the judgment of the person requiring it, but may not be so absolutely; thus, the requisite is more a matter of personal feeling than the indispensable. Inevitable (Latin in, not, and evito, shun) is primarily the exact equivalent of the Saxon unavoidable; both words are applied to things which some at least would escape or prevent, while that which is necessary may meet with no objection; food is necessary, death is inevitable; a necessary conclusion satisfies a thinker; an inevitable conclusion silences opposition. An infallible proof is one that necessarily leads the mind to a sound conclusion. Needed and needful are more concrete than necessary, and respect an end to be attained; we speak of a necessary inference; necessary food is what one can not live without, while needful food is that without which he can not enjoy comfort, health, and strength.

   Synonyms:
   essential, indispensable, inevitable, infallible, needed, needful, required, requisite, unavoidable, undeniable

   Antonyms:
   casual, contingent, needless, non-essential, optional, unnecessary, useless, worthless

   Preposition:
   Necessary to a sequence or a total; for or to a result or a person; unity is necessary to (to constitute) completeness; decision is necessary for command, or for a commander.

Complete Dictionary of Synonyms and Antonyms(0.00 / 0 votes)Rate these synonyms:

1. necessary

   Synonyms:
   certain, inevitable, indispensable, requisite, essential, compulsory, needful, expedient

   Antonyms:
   contingent, casual, optional, discretional, unnecessary, unessential, free

Dictionary of English Synonymes(0.00 / 0 votes)Rate these synonyms:

1. necessary(a.)

   Synonyms:
   inevitable, unavoidable, that must be, not to be avoided

2. necessary(a.)

   Synonyms:
   requisite, essential, indispensable, needful, that cannot be spared

3. necessary(a.)

   Synonyms:
   involuntary, not free

4. necessary(n.)

   Synonyms:
   requisite, requirement, necessity, essential, indispensable thing, SINE QUA NON

5. necessary(n.)

   Synonyms:
   privy, jakes, water-closet, back-house

PPDB, the paraphrase database(0.00 / 0 votes)Rate these synonyms:

1. List of paraphrases:

   needed, required, requisite, essential, need, appropriate, requirements, indispensable, imperative, vital, much-needed, adequate, necessity, unnecessary, crucial, needs, sufficient

Concise Medical Dictionary, by Joseph C Segen, MD(0.00 / 0 votes)Rate these synonyms:

1. necessary

   Synonyms:
   See Medically necessary, Necessary dental service or supply
   

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Alex

US English

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British

Karen

Australian

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Indian

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