Synonyms for necessary
ˈnɛs əˌsɛr inec·es·sa·ry

WiktionaryRate these synonyms:0.0 / 0 votes

1. necessarynoun

   Antonyms:
   unnecessary

2. necessaryadjective

   needed, required

   Antonyms:
   unnecessary

English Synonyms and AntonymsRate these synonyms:0.0 / 0 votes

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 AntonymsRate these synonyms:0.0 / 0 votes

1. necessary

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

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

Princeton's WordNetRate these synonyms:0.0 / 0 votes

1. necessity, essential, requirement, requisite, necessaryadjective

   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. necessaryadjective

   absolutely essential

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

3. necessaryadjective

   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

Editors ContributionRate these synonyms:0.0 / 0 votes

1. important

   every other thesaurus lists necessary as one synonym, and cambridge dictionary defines important as “necessary or of great value.”

   “eating is one of the most important things we do, because it’s necessary for life.”

   Submitted by SubHub3507 on May 25, 2021  

Dictionary of English SynonymesRate these synonyms:0.0 / 0 votes

1. necessaryadjective

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

2. necessaryadjective

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

3. necessaryadjective

   Synonyms:
   involuntary, not free

4. necessarynoun

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

5. necessarynoun

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

Synonyms, Antonyms & Associated WordsRate these synonyms:0.0 / 0 votes

1. necessaryadjective

   Synonyms:
   requisite, essential, needed, needful, indispensable inevitable, unavoidable

   Antonyms:
   nonessential, unnecessary, optional, discretional, casual, needless

2. necessarynoun

   Synonyms:
   requisite, requirement, essential, sine qua non

PPDB, the paraphrase databaseRate these paraphrases:0.0 / 0 votes

1. List of paraphrases for "necessary":

   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, MDRate these synonyms:0.0 / 0 votes

1. necessary

   Synonyms:
   See Medically necessary, Necessary dental service or supply
   

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How to use necessary in a sentence?

1. Richard Whately:

   It is the neglect of timely repair that makes rebuilding necessary.

2. Thomas Jefferson, Letter to James Madison, 1787:

   A little rebellion now and then...is a medicine necessary for the sound health of government.

3. Anthony Fauci:

   We're going to be asking people to do something that is difficult and maybe even painful, particularly at the family level, is to tell people, unless it's absolutely necessary, not to travel, we said that over Thanksgiving and we're saying the same thing over Christmas.

4. Rafael Larraenza:

   This is very sad, but it's really necessary, this happens every day along the border from California to Texas, at least one or two people a day.

5. Former Florida Gov. Jeb Bush:

   I would take the advice of the military very seriously, we need a strategy first, we need special forces, but the idea of boots on the ground, I'm not sure that's necessary.