What is the opposite of unnecessary?

Need antonyms for unnecessary? Here's a list of opposite words from our thesaurus that you can use instead.

Contexts ▼▲ Opposite of not needed or necessary Opposite of surplus to requirements Opposite of capable of being prevented Opposite of not justified or reasonable under the circumstances Opposite of too bad to be justified, excused or tolerated Opposite of not legal or authorized by the law Opposite of being in excess Opposite of that has been described as greater or better than it actually is Opposite of frivolous or trivial in nature … more ▼ ▲ Adjective ▲ Opposite of not needed or necessary necessary essential needed required compulsory indispensable obligatory basic crucial vital integral paramount requisite compulsatory fundamental important useful appropriate core necessitous recommended exigent key needful rudimentary critical demanded elementary imperative cardinal compelling consequential valuable prerequisite desired pivotal urgent worthwhile incumbent mandatory significant all important all-important called for de rigueur high priority high-priority must-have vitally important of great consequence of the utmost importance meaningful material major relevant central weighty acute planned big momentous substantial eventful unfrivolous pertinent applicable apposite pointed apropos pre-eminent relative germane of the essence quintessential burning designed serious worthy grave careful intrinsic durable pressing principal innate inherent substantive grounded reasonable beneficial normal life-and-death main common decided determined purposeful deliberate usual commonplace deserved provoked justified warranted just justifiable native national suitable fit related apt correlated correct right connected proper helpful applicatory suited admissible compatible salient valid befitting fitting ad rem more ❯ “They felt it was necessary to expurgate his letters before publishing them.” Adjective ▲ Opposite of surplus to requirements moderate modest reasonable sensible judicious restrained temperate adequate enough sufficient fair common inconsiderable mediocre mild normal decent rational limited measured indifferent relative ordinary workaday average inconsequential non-excessive middling good just acceptable warranted unprejudiced justified low logical realistic reasoned appropriate proper due credible necessary suitable fitting justifiable moral practical conservative viable prudent economical median middle rightful inhibited cheap sober down-to-earth ok enough honest kind refined civilizedUS sophisticated cultured nice civilisedUK more ❯ “Even moderate exercise, such as walking, has real health benefits if you do it regularly all year round.” Adjective ▲ Opposite of capable of being prevented inevitable expected predictable unavoidable certain foreseeable unescapable inexorable preordained usual impreventable predestined unalterable determined predetermined fated mandatory prescribed decided guaranteed ineluctable impending inescapable unfailing destined natural fateful undeniable unpreventable foreordained imminent ineludible inevasible irrevocable obligatory bound to happen certain to happen sure to happen to be anticipated to be expected necessary unstoppable needed “Yet he has a very short fuse, perhaps the inevitable result of coping with his high-pressure job.” Adjective ▲ Opposite of not justified or reasonable under the circumstances justified called-for excusable fair justifiable proven sensible unprejudiced warranted reasonable temperate just moderate practical decent right cheap ethical moral realistic low plain pragmatic authorizedUS authorisedUK legal economical Adjective ▲ Opposite of too bad to be justified, excused or tolerated defensible excusable forgivable justifiable pardonable tenable venial legitimate supportable warrantable justified valid reasonable fair logical just rational sensible acceptable advisable commonsensical reasoned objective untroublesome realistic tolerable smart impartial wise Adjective ▲ Opposite of not legal or authorized by the law fair legal legitimate just rightful ethical lawful moral proper honest authorisedUK authorizedUS blessed good honorableUS honourableUK noble right uncorrupt unprejudiced Adjective ▲ Opposite of being in excess insufficient necessary deficient inadequate lacking limited scant scanty scarce essential needing wanting falling short Adjective ▲ Opposite of that has been described as greater or better than it actually is understated belittled minimisedUK minimizedUS moderated underdone underplayed played down Adjective ▲ Opposite of frivolous or trivial in nature meaningful deep serious philosophical profound relevant thoughtful purposeful reflective sensible sententious weighty discerning important insightful perceptive percipient rational material “It seems that you would rather get up on your soapbox than have a meaningful conversation.” Find more words! 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Sentences with the word unnecessary Words that rhyme with unnecessary What is the adverb for unnecessary? What is the adjective for unnecessary? What is the noun for unnecessary? Translations for unnecessary Use our Antonym Finder Nearby Words unnecessary evil unnecessities unnecessity unneeded unnegotiable unneighborliness unnecessariness unnecessarily unnavigable unnatural surroundings unnatural rights unnatural of 11-letter Words Starting With u un unn unne unnec unnece unneces unnecess unnecessa unnecessar