Required Synonyms and Antonyms

rĭ-kwīrd'

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Synonyms for Required

(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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To require of someone.
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The definition of requisite is something required or necessary.
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Of, being or relating to a mandate.
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Logically inevitable:
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The definition of needful is something that is required.
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To necessitate or require, as by force of circumstance; demand:
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The definition of imperative is something that has authority or is absolutely necessary.
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To bind by a contract, promise, sense of duty, etc.; put under obligation
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To require something to be brought about.
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(Engineering) A statement (in domain specific terms) which specifies a verifiable constraint on an implementation that it shall undeniably meet or (a) be deemed unacceptable, or (b) result in implementation failure, or (c) result in system failure.
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To assume as a premise or axiom; take for granted.
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A condition that must exist or be established before something can occur or be considered; a prerequisite.
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To be in need of; need
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Required beforehand, esp. as a necessary condition for something following
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To ask that (something) be done in accordance with a legal requirement.
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(Intransitive) To be indebted to someone.
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Without which not. Something that is indispensable and upon which something else relies.
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To give an order or orders; request that something be done or supplied.
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Imposed by force; involuntary:
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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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Want is defined as to feel a wish, desire or need for something.
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To ask for; request
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The definition of incumbent is laying on top of something.
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To be in need
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To order (someone) authoritatively to do something, esp. by legal injunction
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To ask for earnestly; beg
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The definition of compelling is someone or something extremely attractive or interesting.
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Compelled, mandated, obligatory, or required, especially if by legal process or a statute.
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Of, relating to, or based on some binding ethical rule; deontological
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The definition of indispensable is essential or absolutely necessary.
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Necessary; being needed.
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An act in the past which may be used as an example to help decide the outcome of similar instances in the future.
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(Colloquial, plural only) Abbreviation of spectacles.
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To interrogate or enquire of (a person).
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To take in; to gather in; to mingle confusedly; to blend or merge.
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To fight or attempt to fight somebody. (See also take on.)
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To submit a written order or request for (equipment, etc.)
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To deserve or call for; require:
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To command, ask, or tell
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Entail is defined as to require something as necessary.
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Challenge means to stop someone and ask for their identification.
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To imagine; conjecture.
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To force payment of; extort
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To consider reasonable or due:
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(Obs.) To demand authoritatively
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Required by fashion; fashionable
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Of coercion or tending to coerce
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To state or specify a demand or provision in an agreement:
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Antonyms for Required

The definition of optional is available, but not required.
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(Rare) Without essence or existence; immaterial
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To dislike is to feel distaste or hostility towards someone or something.
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Words Related to Required

Imposed on one by authority, command, or convention
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Having relevant and crucial value.
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To express the need or desire for
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Find another word for required. In this page you can discover 63 synonyms, antonyms, idiomatic expressions, and related words for required, like: essential, demand, requisite, mandatory, necessary, needful, compelled, imperative, obligated, necessitated and requirement.