Essential synonyms

ĭ-sĕn'shəl
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Obligatory:
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Logically inevitable:
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Necessary to the continuation of life; life-sustaining:
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Without which not. Something that is indispensable and upon which something else relies.
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Of the nature of a quintessence (in all senses); ultimate.
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The definition of imperative is something that has authority or is absolutely necessary.
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Of, being, or serving as a starting point or basis:
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Necessary for completeness; essential
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A leading or primary principle, rule, law, or article, which serves as the groundwork of a system; essential part, as, the fundamentals of linear algebra.
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Great or imperative need
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That forms a constituent part of something else
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Of, relating to, or constituting the basic, essential, or fundamental part:
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Not derived from something else; primary or basic:
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The definition of underlying refers to something lying beneath, or the basic or root cause of something.
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The grade stating this requirement
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A requirement which must be satisfied before taking a course of action.
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The definition of a requirement is something that is necessary.
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Constituting or forming part of the essence of something
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A part of a set or configuration, as a side of a triangle or a number in a matrix
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(Bot.) key fruit
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Something substantive
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(Music) Relating to or being a minor scale.
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Possessing some quality, or having been subject to some operation (as substitution), in the second degree; as, a secondary salt, a secondary amine, etc. Compare primary.
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Not essential; of relatively no importance; unnecessary
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Not important; insignificant or petty.
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Not essential; unessential.
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(Geol.) Occurring in minor amounts in a specified rock; nonessential
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Acting in a subsidiary, or subordinate, capacity
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Of, or relating to a subsidy
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The definition of optional is available, but not required.
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The definition of peripheral is something that is just outside of the main focus.
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Anything designed or intended to be discarded after use; specif., a leaflet or handbill
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Relating to a legal or political constitution.
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Being an essential or basic part or parts
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A fundamental element, principle, or skill, as of a field of learning:
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(Countable and uncountable) A requirement for something.
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The first in a group or series.
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Of supreme importance; decisive; critical
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Utmost; extreme:
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The definition of needful is something that is required.
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The definition of a must is something that has to be done.
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In education, a course or topic that must be completed before another course or topic can be started. May be colloquially referred to as a prereq.
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Relating to or occurring on or near the surface of the earth.
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The definition of requisite is something required or necessary.
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The definition of indispensable is essential or absolutely necessary.
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(Archaic) The most valuable or main part of anything
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Miscellaneous facts, especially when the subject of questions in games and quizzes.
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Of the greatest importance; crucial.
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(Grammar) Adjectival; pertaining to or functioning as an adjective.
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A role:
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Synonym Study

  • Necessary implies a pressing need but does not always connote absolute indispensability
  • Requisite is applied to that which is required by the circumstances or for the purpose and generally suggests a requirement that is imposed externally rather than an inherent need the requisite experience for a position
  • An indispensable person or thing cannot be done without if the specified or implied purpose is to be achieved her diagnostic skills proved indispensable to the clinic
  • Essential , in strict usage, is applicable to that which constitutes the absolute essence or the fundamental nature of a thing and therefore must be present for the thing to exist, function, etc. food is essential to life
Find another word for essential. In this page you can discover 57 synonyms, antonyms, idiomatic expressions, and related words for essential, like: required, necessary, vital, sine qua non, quintessential, imperative, important, basic, integral, fundamental and necessity.