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Necessary synonyms

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Absolutely necessary; indispensable; requisite
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  1. Absolutely necessary; indispensable; requisite
  2. Fundamentally important or necessary:
  3. (Biochemistry) Being a substance that is required for normal functioning but cannot be synthesized by the body and therefore must be included in the diet:
Required, as by circumstances; necessary for some purpose; indispensable
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  1. Required, as by circumstances; necessary for some purpose; indispensable
  2. Required; essential.
Needed; essential:
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  1. Needed; essential:
  2. Obligatory:
Compelling immediate action or attention; pressing.
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  1. Compelling immediate action or attention; pressing.
  2. Conveying a sense of pressing importance:
  3. Calling for haste, immediate action, etc.; grave; pressing
(Law) subject to immediate detainment by law enforcement authorities on sight.
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  1. (Law) subject to immediate detainment by law enforcement authorities on sight.
  2. Wished for; desired; sought
Based on or offering what is of use or advantage rather than what is right or just; guided by self-interest; politic
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  1. Based on or offering what is of use or advantage rather than what is right or just; guided by self-interest; politic
  2. Convenient but based on a concern for self-interest rather than principle:
  3. Useful for effecting a desired result; suited to the circumstances or the occasion; advantageous; convenient
(Archaic) Needy
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  1. (Archaic) Needy
  2. Being in need of something:
  3. Necessary; needed; required
Obligatory; unavoidable:
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  1. Obligatory; unavoidable:
  2. That cannot be dispensed with or neglected
  3. Absolutely necessary; essential.
(Gram.) Designating or of the mood of a verb that expresses a command, strong request, or exhortation
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  1. (Gram.) Designating or of the mood of a verb that expresses a command, strong request, or exhortation
  2. Having the nature of, or indicating, power or authority; commanding
  3. Necessary or urgent:
Required beforehand, esp. as a necessary condition for something following
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  1. Required beforehand, esp. as a necessary condition for something following
  2. Required as a prior condition of something else; necessary or indispensable.
  3. Required or necessary as a prior condition:
Having or making urgent demands; demanding:
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  1. Having or making urgent demands; demanding:
  2. Calling for immediate action or attention; urgent; critical
  3. Requiring immediate action; pressing:
  1. Insistent, earnest, or persistent.
  2. Demanding immediate attention; urgent:
  3. Persistent in request or demand; insistent
Extremely important; essential:
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  1. Extremely important; essential:
  2. Necessary to the continuation of life; life-sustaining:
  3. Necessary to continued existence or effectiveness:
Bright-red, like the robe of a cardinal
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  1. Bright-red, like the robe of a cardinal
  2. Of foremost importance; paramount:
  3. Of main importance; principal; chief
On which others are based; primary; original
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  1. On which others are based; primary; original
  2. Of or relating to the lowest possible frequency or the lowest frequency component of a vibrating element, system, periodic wave, or quantity:
  3. Most important; chief
Having or expressing a covert or nonverbal meaning; suggestive:
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  1. Having or expressing a covert or nonverbal meaning; suggestive:
  2. (Statistics) Of or relating to observations or occurrences that are too closely correlated to be attributed to chance and therefore indicate a systematic relationship.
  3. Having or likely to have a major effect; important:
Of utmost importance; of outstanding significance or consequence:
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  1. Of utmost importance; of outstanding significance or consequence:
  2. Of great moment; very important
Obligatory; required:
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  1. Obligatory; required:
  2. That must be done, undergone, etc.; obligatory; required
  3. Compelled, mandated, obligatory, or required, especially if by legal process or a statute. Compelled, mandated, obligatory, or required, especially if by legal process or a statute.
Of, having the nature of, or containing a mandate
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  1. Of, having the nature of, or containing a mandate
  2. Authoritatively commanded or required; obligatory
  3. Required or commanded by authority; obligatory:
Of, at, or forming a base; fundamental; essential
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  1. Of, at, or forming a base; fundamental; essential
  2. A simple programming language developed in the 1960s that is widely taught to students as a first programming language.
  3. Of, being, or serving as a starting point or basis:
Highest in rank, power, or authority:
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  1. Highest in rank, power, or authority:
  2. Ranking higher than any other, as in power or importance; chief; supreme
Required as part of a routine course of action or cultural expectation; predictable:
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  1. Required as part of a routine course of action or cultural expectation; predictable:
  2. Of the nature of an obligation; compulsory:
  3. Legally, morally, or socially binding; constituting, or having the nature of, an obligation; required
  1. Requiring urgent attention.
  2. Urgently requiring attention:
  3. Irresistibly or keenly interesting, attractive, etc.; captivating
Of the greatest importance; crucial.
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  1. Of the greatest importance; crucial.
  2. Highly important; necessary; essential
Tending to cause constipation:
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  1. Tending to cause constipation:
  2. Imposing or commanding adherence to a commitment, an obligation, or a duty:
  3. Assigning something that one will be held to.
Thoroughly explained; adequately commented.
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That cannot be avoided; inevitable
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  1. That cannot be avoided; inevitable
  2. Impossible to avoid; bound to happen.
Marked by promptness and decision.
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  1. Marked by promptness and decision.
  2. Having the power or quality of deciding a question or controversy; putting an end to contest or controversy; final; conclusive.
  3. Determining or closely affecting what comes next; critically important; crucial
Vital to the resolution of a crisis or the determination of an outcome:
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  1. Vital to the resolution of a crisis or the determination of an outcome:
  2. (Med.) Having the form of a cross
  3. Extremely significant or important:
Of, relating to, or constituting the basic, essential, or fundamental part:
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  1. Of, relating to, or constituting the basic, essential, or fundamental part:
  2. Of first principles, rudiments, or fundamentals; introductory; basic; simple
  3. Of, relating to, or involving the fundamental or simplest aspects of a subject:
Of, relating to, or having the nature of a quintessence; being the most typical:
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  1. Of, relating to, or having the nature of a quintessence; being the most typical:
Highest, as in rank or office; foremost
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  1. Highest, as in rank or office; foremost
  2. Highest in rank, authority, or office:
  3. Most important or influential:
Highest or among the highest in rank, authority, importance, degree, etc.
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  1. Highest or among the highest in rank, authority, importance, degree, etc.
  2. First or highest in rank or importance.
  3. Of, relating to, or being financial principal, or a principal in a financial transaction.
Being the most desired or suitable example of something:
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  1. Being the most desired or suitable example of something:
  2. From which others are derived; fundamental; basic
  3. First or highest in rank or importance; main:
(Anatomy) Situated within or belonging solely to the organ or body part on which it acts. Used of certain nerves and muscles.
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  1. (Anatomy) Situated within or belonging solely to the organ or body part on which it acts. Used of certain nerves and muscles.
  2. Belonging to the real nature of a thing; not dependent on external circumstances; essential; inherent
Supplied with what one needs.
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  1. Supplied with what one needs.
  2. Not subject to change or variation; unchanging:
  3. Not changing, not able to be changed, staying the same.
A quantity that is unknown but assumed to have a fixed value in a specified mathematical context.
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  1. A quantity that is unknown but assumed to have a fixed value in a specified mathematical context.
  2. Remaining free from variation or change; regular; stable
  3. Remaining firm in purpose; resolute
Not expected to change in status, condition, or place:
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  1. Not expected to change in status, condition, or place:
  2. Lasting a relatively long time
  3. Lasting or remaining without essential change:
Having exact limits; definite; distinct; fixed
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  1. Having exact limits; definite; distinct; fixed
  2. Precisely determined, limited, or defined.
  3. Not continuing to grow at an apical meristem. In the cyme, a determinate inflorescence, for example, the first floret develops at the end of the meristem, and no further elongation of the inflorescence can occur.
Existing in someone or something as a natural and inseparable quality, characteristic, or right; intrinsic; innate; basic
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  1. Existing in someone or something as a natural and inseparable quality, characteristic, or right; intrinsic; innate; basic
  2. Existing as an essential constituent or characteristic; intrinsic:
Firmly established, as by long conditioning; deep-seated:
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  1. Firmly established, as by long conditioning; deep-seated:
  2. Firmly fixed or established
  3. Being an element; present in the essence of a thing
Possessed as an essential characteristic; inherent:
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  1. Possessed as an essential characteristic; inherent:
  2. Existing naturally rather than acquired; that seems to have been in one from birth
  3. Existing naturally or by heredity rather than being learned through experience:
That cannot be avoided; inevitable
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  1. That cannot be avoided; inevitable
  2. Impossible to avoid; bound to happen.
That cannot be denied; indisputable
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  1. That cannot be denied; indisputable
  2. Difficult or impossible to deny; irrefutable:
  3. Irrefutable, or impossible to deny
  1. Guaranteed
  2. Exhibiting confidence or authority:
  3. Made certain; guaranteed:
(Medicine) Relating to or being a condition or a disease whose cause is unknown:
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  1. (Medicine) Relating to or being a condition or a disease whose cause is unknown:
  2. Fundamentally important or necessary:
  3. (Biochemistry) Being a substance that is required for normal functioning but cannot be synthesized by the body and therefore must be included in the diet:
That cannot be dispensed with or neglected
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  1. That cannot be dispensed with or neglected
  2. Obligatory; unavoidable:
  3. Absolutely necessary; essential.
(Archaic) Needy
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  1. (Archaic) Needy
  2. Being in need of something:
  3. Necessary; required:
Needed; essential:
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  1. Needed; essential:
  2. Obligatory:
Required, as by circumstances; necessary for some purpose; indispensable
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  1. Required, as by circumstances; necessary for some purpose; indispensable
  2. Required; essential.
That must be done, undergone, etc.; obligatory; required
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  1. That must be done, undergone, etc.; obligatory; required
  2. Compelled, mandated, obligatory, or required, especially if by legal process or a statute. Compelled, mandated, obligatory, or required, especially if by legal process or a statute.
  3. Obligatory; required:
(Gram.) Designating or of the mood of a verb that expresses a command, strong request, or exhortation
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  1. (Gram.) Designating or of the mood of a verb that expresses a command, strong request, or exhortation
  2. Having the nature of, or indicating, power or authority; commanding
  3. Necessary or urgent:
Of, having the nature of, or containing a mandate
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  1. Of, having the nature of, or containing a mandate
  2. Required or commanded by authority; obligatory:
  3. Authoritatively commanded or required; obligatory
Required as part of a routine course of action or cultural expectation; predictable:
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  1. Required as part of a routine course of action or cultural expectation; predictable:
  2. Of the nature of an obligation; compulsory:
  3. Legally, morally, or socially binding; constituting, or having the nature of, an obligation; required
Needed; essential:
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  1. Needed; essential:
  2. Obligatory:
Required, as by circumstances; necessary for some purpose; indispensable
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  1. Required, as by circumstances; necessary for some purpose; indispensable
  2. Required; essential.
Find another word for necessary. In this page you can discover 72 synonyms, antonyms, idiomatic expressions, and related words for necessary, like: essential, requisite, required, urgent, wanted, expedient, needful, indispensable, needed, imperative and prerequisite.