Necessary synonyms
Category:
Part of speech:
(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:
Obligatory:
Conveying a sense of pressing importance:
(Gram.) Designating or of the mood of a verb that expresses a command, strong request, or exhortation
Calling for immediate attention; urgent
Obligatory; required:
The definition of requisite is something required or necessary.
Convenient but based on a concern for self-interest rather than principle:
The definition of needful is something that is required.
The definition of indispensable is essential or absolutely necessary.
Relating to what is basic; radical
Fairly large in amount or quantity:
Outstanding in importance, of great consequence.
Required or commanded by authority; obligatory:
The definition of basic is something that is essential, or something with a pH level higher than 7.
Highest in rank, power, or authority:
Imposing obligation, morally or legally; binding: an obligatory promise.
Drivingly forceful:
incumbent on
Essential
incumbent upon
Essential
Essential
without choice
Essential
Incapable of being dispensed with
Not preventable.
Something that nourishes; food.
Required beforehand, esp. as a necessary condition for something following
Of the greatest importance; crucial.
That cannot be avoided; inevitable
Marked by promptness and decision.
Vital to the resolution of a crisis or the determination of an outcome:
The definition of elementary is something simple and basic, or the entry-level into something.
Of the nature of a quintessence (in all senses); ultimate.
Highest, as in rank or office; foremost
The definition of principal is the first or highest in importance.
Innate, inherent, inseparable from the thing itself, essential.
Firmly in position; stationary:
The definition of constant is something that doesn't change or something that continues or remains steady.
Lasting for an indefinitely long time.
Existing as an essential constituent or characteristic; intrinsic:
Firmly fixed or established
That cannot be denied; indisputable
Assured is defined as something that is definite.
unimportant (antonym)
Not important; insignificant or petty.
unessential (antonym)
Void of essence, or real being.
insignificant (antonym)
The definition of insignificant is someone or something that is small, lacking in power, or otherwise not important.
important (related)
Having or suggesting a consciousness of high position or authority; authoritative:
certain (related)
Named but not known or previously mentioned:
imminent (related)
Likely to happen without delay; impending; often, specif., threatening, looming, etc.
inevitable (related)
The definition of inevitable is something that is certain to happen.
Supplying food; nourishing.
Possible, but not certain to happen.
Required by fashion; fashionable
Imposed on someone as an obligation, especially due to one's office.
indispensableinevitable
Incapable of being dispensed with
Impossible to stop or prevent; inevitable
Possessing everything essential; entire.
Something considered necessary or highly desirable.
Essential quality, fact, or thing
Pressing needs; demands; requirements
The characteristic of being indispensable.
The state or fact of being in need.
A condition of poverty or misfortune:
(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.
An essential or indispensable element, condition, or ingredient.
(Philos.) The status of something that exists in itself as an individual whole
casual (antonym)
Coming without regularity; occasional or incidental.
discretional (antonym)
needless (antonym)
Not needed; unnecessary.
nonessential (antonym)
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:
optional (antonym)
The definition of optional is available, but not required.
unnecessary (antonym)
Not needed or necessary.
dispensable (antonym)
(Of a law, rule, vow, etc.) Subject to dispensation; possible to relax, exempt from, or annul.
inessential (antonym)
Not essential; unessential.
voluntary (antonym)
(Law) Without legal obligation or consideration:
possible (antonym)
Capable of happening, existing, or being true without contradicting proven facts, laws, or circumstances:
necessary (related)
Logically inevitable:
Imposing or commanding adherence to a commitment, an obligation, or a duty:
(Bot.) Borne at the apex of the support, as an anther
without appeal
Essential
Of, or having the nature of, a statute or statutes
Find another word for necessary. In this page you can discover 92 synonyms, antonyms, idiomatic expressions, and related words for necessary, like: essential, required, urgent, imperative, pressing, compulsory, requisite, wanted, expedient, needful and indispensable.