Indispensable synonyms and antonyms

ĭn'dĭ-spĕn'sə-bəl

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That cannot be avoided; inevitable
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Logically inevitable:
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Necessary; being needed.
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Necessary to continued existence or effectiveness:
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The definition of obligatory is necessary, required or expected as a result of law or social custom.
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Required by fashion; fashionable
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Pertaining to the foundation or basis; serving for the foundation. Hence: Essential, as an element, principle, or law; important; original; elementary.
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The definition of important is having great significance or consequence.
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Being a substance that is required for normal functioning but does not need to be included in the diet because of the body's ability to synthesize it from other nutrients:
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Of main importance; principal; chief
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The definition of imperative is something that has authority or is absolutely necessary.
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Necessary for completeness; essential
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(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:
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Something that must be gained in order to gain something else
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Requisite is something that is necessary or required to achieve some goal or do some task.
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Without which not. Something that is indispensable and upon which something else relies.
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Being more than is needed, useful, or wanted; surplus; excessive
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That can be dispensed with; not important
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Of, being, or serving as a starting point or basis:
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Vital to the resolution of a crisis or the determination of an outcome:
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The definition of needful is something that is required.
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Essential quality, fact, or thing
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The characteristic of being indispensable.
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Not needed or necessary.
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The definition of redundant is more than enough or too much of something.
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Relating to criticism or careful analysis, such as literary or film criticism.
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Needed; essential:
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Find another word for indispensable. In this page you can discover 32 synonyms, antonyms, idiomatic expressions, and related words for indispensable, like: unavoidable, necessary, needed, vital, obligatory, de rigueur, fundamental, important, indespensible, nonessential and indispensible.