What is the opposite of unchallengeable?

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

Contexts ▼▲ Opposite of not open to challenge Opposite of completely honest and reliable Opposite of never to be broken, infringed, or dishonoured Opposite of incapable of being alienated, surrendered, or transferred to another Opposite of inclined to lay down principles as undeniably true … more ▼ ▲ Adjective ▲ Opposite of not open to challenge answerable arguable contradictable controvertible debatable disputable doubtable moot negotiable problematic problematical questionable refutable doubtful open unsettled controversial unresolved contestable undecided contentious disputed vexed at issue undetermined unconcluded open to discussion open to question open to doubt yet to be decided up in the air uncertain dubious indefinite unreliable vague inconclusive unsure unclear iffy ambiguous variable changeable equivocal obscure unproven issuable open to debate flawed weak assailable unsteady fluctuating inconstant changeful unstable adjustable volatile unconfirmed inadequate deniable doubted unestablished indistinct unpredictable unfixed paradoxical mootable unsatisfactory suspect suspicious groundless temporary provisional dubitable interim unconvincing unfounded deficient incomplete insufficient fishy unsatisfying unfinished unknown chancy borderline dodgy indeterminate theoretic invalid debated academical lacking speculative theoretical academic hypothetical a matter of opinion not yet established subject to debate a moot point a controversial subject up for discussion a live issue in doubt far from certain uneventful indecisive Adjective ▲ Opposite of completely honest and reliable blameworthy dubious faulty imperfect reprehensible reproachable shameful unreliable blamable blameful culpable impeachable Adjective ▲ Opposite of never to be broken, infringed, or dishonoured partial breakable violable Adjective ▲ Opposite of incapable of being alienated, surrendered, or transferred to another acquired alienable changeable impermanent transitory Adjective ▲ Opposite of inclined to lay down principles as undeniably true latitudinarian undoctrinaire undogmatic low-key open-minded tentative ambiguous amenable doubtful doubting dubious equivocal flexible fluctuating impartial indecisive indefinite manageable obedient questioning scepticalUK skepticalUS submissive uncertain vacillating vague willing yielding not positive Find more words! 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Sentences with the word unchallengeable Words that rhyme with unchallengeable Use our Antonym Finder Nearby Words unchallengeably unchallenged unchallenging unchallengingly unchancy unchangeability unchains unchaining unchained unchain uncertified uncertificated 15-letter Words Starting With u un unc unch uncha unchal unchall unchalle unchallen unchalleng unchallenge