What is the opposite of uncertain?

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

Contexts ▼▲ Opposite of not completely confident or sure of something Opposite of not known or definite Opposite of quick or likely to change consistently Opposite of dangerous or full of peril Opposite of marked by doubts or suspicions Opposite of tentative or unsure in acting or speaking Opposite of not supported or proven by evidence Opposite of having a covert or obscure meaning Opposite of causing, or likely to cause, an argument or controversy Opposite of timid in character, or generally lacking in self-confidence Opposite of dangerously insecure or unstable Opposite of not clearly defined or distinct (of a visual or image) Opposite of blurry and not defined Opposite of insecure with oneself Opposite of requiring great skill or finesse in handling or treatment Opposite of unable to make decisions Opposite of not likely to be true or to happen Opposite of being naturally susceptible to weaknesses or error Opposite of innumerable or incalculable … more ▼ ▲ Adjective ▲ Opposite of not completely confident or sure of something certain confident convinced positive definite persuaded sure clear decided determined satisfied cocksure unconcerned absolute unambiguous assured undisturbed resolved unperturbed untroubled self-confident clear in your mind free from doubt in no doubt secure in one's belief unshaken in one's belief settled decisive resolute exact fixed secure conclusive known specified specific unwavering precise believing undoubted trustworthy unchanging predictable committed perfect unequivocal safe confirmed explicit determinate doubtless firm unhesitating clear-cut undoubting trusty unquestionable black and white sealed stipulated undoubtful measurable finished bold devoted implicit pellucid adequate sufficient satisfactory open-and-shut final happy calmed content distinct mended healed reliable foreseeable unambivalent interior later improbable unlikely distant more ❯ “Quickly, he laced the rope between her legs, one over another, until he was certain the rope was tight enough.” Adjective ▲ Opposite of not known or definite certain clear evident undeniable assured guaranteed reliable accurate definite dependable conclusive fixed indubitable undisputed absolute final true establishable irrefragable recognisedUK recognizedUS settled confirmable irrefutable predictable unequivocal certified determinate indisputable unarguable demonstrable incontrovertible unambiguous verifiable incontestable patent sure unmistakable authoritative inarguable known undoubted unquestionable ascertained confirmed unchallengeable unquestioned beyond doubt beyond question not in doubt not in question questionless hands-down positive proven undebatable unproblematic accomplished unanswerable categorical decided real definitive indubious obvious trustworthy firm decisive clear-cut concrete doubtless actual innocent strong sound determined unwavering trusted convinced explicit fixable solvable undoubting above suspicion factual inconrovertible resolute acknowledged manifest established straightforward unassailable clinching resolved questionable uncontestable trusty observable emphatic plain pronounced uncontroversial measured proved calculated truthful convincing veridical palpable apodictic unfabled marked accepted compelling self-evident beyond dispute no mistake beyond a shadow of a doubt open and shut more ❯ “The target area would be saturated, that was certain, but Erik doubted whether it would work or not.” Adjective ▲ Opposite of quick or likely to change consistently stable certain steady unchanging constant secure unwavering firm invariable settled longstanding established unvarying predictable changeless stabilisedUK stabilizedUS unchangeable immutable steadfast balanced fixed long-standing stationary consistent reliable regular sure definite undeviating dependable calm unfluctuating permanent uniform habitual static orderly resolute systematic methodical usual common equable unalterable uninterrupted immobile monotonous continuous homogeneous lasting level even foreseeable phlegmatic level-headed rational trustworthy positive clear enduring coherent compatible reconcilable invariant natural straight normal sensible standard reasonable inflexible irreversible periodic repeated punctual stagnant still set frozen rigid sustained true immobilizedUS unchanged inactive unflagging persistent unbroken latent fast immovable nonmoving solid parked stabile inert passive immobilisedUK anchored perpetual moored regularizedUS unfaltering regularisedUK standardisedUK durable standardizedUS deep-rooted standing still at a standstill at rest hard-and-fast rooted to the spot more ❯ “In other cases, a stable ecological balance may be upset by predation or other causes leading to unexpected species decline.” Adjective ▲ Opposite of dangerous or full of peril safe harmless innocent innocuous nonhazardous nonthreatening secure unthreatening calm certain definite easy firm nice OK stable steady strong sure sound protected reliable unthreatened well trustworthy riskless out of danger risk-free guarded predictable honest true good dependable healthy prudent nontoxic unassailable solid shielded nonviolent fine okay unhazardous fortified out of harm's way impervious assured safe and sound mild undamaging painless unharmful O.K. straightforward unproblematic impregnable sheltered settled not dangerous non-violent low-risk non-toxic out of the woods more ❯ Adjective ▲ Opposite of marked by doubts or suspicions trusting certain convinced credulous gullable gullible positive sure trustful uncritical unquestioning assured believing careless clear confident definite faithful heedless incautious rash trustworthy trusty unquestionable unsuspecting unafraid naive wet behind the ears willing thoughtless indiscreet judgemental decisive reckless committal judgmental uncareful foolish hasty Adjective ▲ Opposite of tentative or unsure in acting or speaking certain decisive can-do clear confident definite determined dogmatic eager enthusiastic firm forceful keen positive resolute self-assured spirited sure unhesitating unwavering believing bold brave extroverted fearless ready unhesitant willing outgoing immodest extraverted conceited aggressive brash Adjective ▲ Opposite of not supported or proven by evidence substantiated confirmed established good hard just justified proven reasonable reasoned valid well-founded well-grounded attested certain corroborated supported sure undeniable Adjective ▲ Opposite of having a covert or obscure meaning clear accessible nonambiguous obvious plain unambiguous unequivocal limpid lucid certain comprehensible crystal-clear determined easy intelligible sure unclouded understandable crystal clear evident definite indubitable manifest cut-and-dried apparent unambivalent explicit axiomatic glaring irrefutable conclusive unmistakable definitive unquestionable patent indisputable distinct transparent palpable pellucid incontrovertible overt clear-cut blatant beyond question beyond doubt black-and-white clear cut self-evident as plain as a pikestaff as plain as day as plain as the nose on your face pronounced conspicuous known exposed decisive positive straight absolute undisguised univocal well-known unmistakeable secure distinguishable determinate marked defined discernible more ❯ Adjective ▲ Opposite of causing, or likely to cause, an argument or controversy noncontroversial safe uncontroversial Adjective ▲ Opposite of timid in character, or generally lacking in self-confidence adventuresome adventurous audacious bold daring dashing gutsy hardy venturesome venturous Adjective ▲ Opposite of dangerously insecure or unstable stable certain safe secure firm reliable steady dependable strong sturdy healthy protected stout guarded perdurable robust hardened resilient resistant sure durable staunch definite indestructible stalwart hardy impervious sound tough imperishable solid inexpugnable resolute undoubted happy settled substantial heavy-duty long-lasting strongly made well-built well-constructed well-made built to last made to last “The main section is more stable, though there are ongoing concerns over coastal erosion, further slippage, and subsidence.” Adjective ▲ Opposite of not clearly defined or distinct well defined explicit distinct precise specific straightforward direct obvious unambiguous unmistakable definitive emphatic perspicuous pinpoint certain definite manifest understandable accurate strict detailed univocal lucid firm overt patent clear literal meticulous exact comprehensive correct unquestionable clean-cut clearly defined clear-cut clearly expressed in depth easily understandable crystal clear Adjective ▲ (of a visual or image) Opposite of blurry and not defined defined sharp clear distinguishable distinct apparent axiomatic blatant categorical certain clear-cut cogent conclusive convincing definitive distinctive evident exact explicit inarguable incontestable incontrovertible indisputable indubitable irrefutable legible nonambiguous noticeable obvious perceivable perceptible precise specific unambiguous unblurred unchallenged uncontested undebatable undeniable undisputable undisputed unequivocal unmistakable unquestionable straightforward coherent articulate graspable univocal perspicuous understandable lucid fathomable apprehensible knowable comprehensible transpicuous intelligible uncomplicated discernable comprehendible plain simple sure definite direct emphatic confirmed doubtless undoubting well-defined logical undoubtful decided downright determined accessible manifest palpable absolute uncontestable unsubtle patent known self-evident plain to see flat-out beyond question cut-and-dried as clear as day open and shut straight out beyond doubt instantly recognizable open-and-shut crystal clear more ❯ “He was a painter that specialized in still-life images that were clear and defined.” Adjective ▲ Opposite of insecure with oneself confident assured calm comfortable content easy graceful happy natural secure self-confident sure unashamed unself-conscious unshy unworried nerveless cool collected relaxed happy-go-lucky firm unhesitating certain positive resolute decisive at ease fluent flowing dextrousUK clever dexterousUS smooth Adjective ▲ Opposite of requiring great skill or finesse in handling or treatment uncomplicated straightforward clear easy obvious simple aboveboard certain direct frank healthy insensitive smooth solvable stable steady strong sure uncritical untroublesome Adjective ▲ Opposite of unable to make decisions decisive certain definite resolute clearsighted determined firm earnest focussedUK focusedUS strongminded unwavering dogged unhesitating conclusive unfaltering positive unbending unyielding emphatic deliberate intransigent resolved forceful set sure assured uncompromising intent purposeful unrelenting clear-sighted clear-thinking dead set strong-minded decided committed steadfast staunch tenacious spirited strong-willed definitive absolute irrefutable univocal unambiguous clinching adamant unequivocal categorical fixed obstinate obdurate settled indurate dedicated final stubborn clear unconditional gritty untiring indomitable persistent vigorous purposive stalwart unflappable indefatigable confident undaunted stout unflinching unshakeable persevering unshaken steely implacable strong pertinacious driven steady single-minded full of determination more ❯ “They have decisive, take-charge personalities in a society that shuns wishy-washiness.” Adjective ▲ Opposite of not likely to be true or to happen probable likely certain doubtless plausible reasonable ordinary ostensible possible probably real tenable Adjective ▲ Opposite of being naturally susceptible to weaknesses or error infallible perfect divine faultless impeccable unerring certain correct definite omniscient reliable strong superhuman sure unimpeachable Adjective ▲ Opposite of innumerable or incalculable countable enumerable numberable denumerable Find 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Sentences with the word uncertain Words that rhyme with uncertain What is the plural of uncertain? What is the adverb for uncertain? What is the adjective for uncertain? What is the noun for uncertain? Translations for uncertain Use our Antonym Finder Nearby Words uncertainly uncertainness uncertain of yourself uncertainties uncertainty uncertificated unceremoniousness unceremoniously unceremonious unceremonially unceremonial uncensurable 9-letter Words Starting With u un unc unce uncer uncert uncerta uncertai