What is the opposite of demonstrable?

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

Contexts ▼▲ Opposite of clearly apparent or capable of being logically proved Opposite of clearly perceptible or self-explanatory Opposite of not able to be disputed Opposite of denotes a constructive or productive feeling Opposite of possible to be treated as fact Opposite of proven to be good or workable Opposite of able to be relied on or trusted Opposite of based on fact Opposite of existing independently of the mind … more ▼ ▲ Adjective ▲ Opposite of clearly apparent or capable of being logically proved unverifiable indemonstrable insupportable unprovable unsupportable unsustainable distorted doubtful imperceptible indefinite obscure uncertain undemonstrable vague intolerable unacceptable insufferable unendurable unbearable unmanageable impossible unmaintainable oppressive inadmissible unsuitable unsurpassable enough moot falsifiable Adjective ▲ Opposite of clearly perceptible or self-explanatory unclear inconclusive imperceptible inconspicuous obscure disputable ambiguous doubtful fuzzy indistinct mistakable obscured questionable uncertain unobvious vague dubious indefinite subtle dark dull clouded obfuscated nonobvious impalpable indecipherable indiscernible secret unapparent unclarified unsure cryptic enigmatic enigmatical equivocal mysterious unclouded hazy unnoticeable cloudy gauzy grayUS greyUK illegible imprecise inappreciable incomprehensible indeterminate insensible misty murky nebulous noncommittal sketchy slippery undecipherable unfathomable unintelligible unknowable unknown unreadable concealed non-obvious indistinguishable undetectable invisible hidden unproven unrecognizableUS unrecognisableUK intangible improbable unlikely inferential unreal abstract unremarkable debatable unfounded unsound refutable imperfect tenuous more ❯ “Vision of the elusive bigfoot was unclear and inconclusive.” Adjective ▲ Opposite of not able to be disputed questionable answerable arguable contradictable controvertible debatable disputable doubtable moot negotiable problematic problematical refutable uncertain dubious unconfirmed unresolved undecided unsettled unclear contentious unproven undetermined ambiguous controversial unverified issuable unsure in doubt unreliable iffy undefined vague variable changeable contestable inconclusive unestablished mootable chancy unknown borderline incomplete wavering ill-defined hazy unsound up in the air subject to debate a moot point a matter of opinion open to debate a controversial subject open to doubt open to question up for discussion a live issue not yet established indefinite unprovable unsupportable unverifiable insupportable indemonstrable doubtful flimsy suspect dubitable apocryphal spurious indeterminate disputed equivocal contingent more ❯ Adjective ▲ Opposite of denotes a constructive or productive feeling unproductive fruitless negative useless worthless abortive bad dysfunctional feckless good-for-nothing hopeless impracticable inadequate incompetent ineffectual inept meaningless nonfunctional pathetic profitless purposeless stupid unavailing unfunctional unhelpful unpurposed unserviceable unskilled unsuccessful unusable unuseful unusuable unworkable valueless weak barren disadvantageous empty futile ineffective inefficient lazy nonproductive pointless slow sterile trivial uncreative unprofitable unyieldly wasteful impractical nongood detrimental harmful unfavorableUS unfavourableUK doubtful “As a result of their unproductive response, we were unable to attain the information required to proceed.” Adjective ▲ Opposite of possible to be treated as fact imaginary abstract intangible fictional conceptual fabricated imaginative invented unreal concocted fictitious hypothetical theoretical unsubstantial imaginal notional visionary assumed fanciful fantastic figmental illusory imagined legendary mythological nonexistent pretend virtual chimeric dreamlike dreamy ethereal fancied ideal illusive mythical supposed suppositious supposititious chimerical dreamed-up fantasied fantastical made-up make-believe mythic non-existent storybook whimsical “During our second drink, I sketch imaginary facts about an imaginary life.” Adjective ▲ Opposite of proven to be good or workable untried Adjective ▲ Opposite of able to be relied on or trusted unreliable dubious doubtful undependable disreputable fallible flimsy questionable suspect untrustworthy shaky uncertain unsubstantiated unsupported dodgy flakyUK flakeyUS iffy weak fallacious falsified rocky touch-and-go unstable “What a pity that Ms. Evans' information comes from such an unreliable source.” Adjective ▲ Opposite of based on fact fictitious false fanciful fictional fictionalisedUK fictionalizedUS hypothetical bogus concocted contrived illogical imaginary imagined implausible nonsensical speculative theoretical undocumented unfounded unsubstantiated unsupported untrue unverified artificial cooked-up fabricated fantastical flimsy groundless invalid invented irrational made-up make-believe misleading nonfactual nonrational phoneyUK phonyUS pretend spurious suppositious supposititious trumped-up unauthentic unconvincing uninformed unreal unreasonable unreasoned unsupportable fantastic mythical nondocumentary nonhistorical nonvalid unhistorical unjustified “As it turns out, the information you provided was largely fictitious and of no use to us.” Adjective ▲ Opposite of existing independently of the mind nonempirical unempirical theoretical theoretic subjective impulsive instinctive intuitive unscientific faith-driven “Four categories of irrational beliefs are defined, representing thinking modes which are nonempirical and reflect an absolutistic view of reality.” Find more words! 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Sentences with the word demonstrable Words that rhyme with demonstrable What is the adverb for demonstrable? What is the adjective for demonstrable? What is the noun for demonstrable? Use our Antonym Finder Nearby Words demonstrably demonstrate demonstrated demonstrates demonstrating demonstration demons demonry demonly demonlike demonizing demonizes 12-letter Words Starting With d de dem demo demon demons demonst demonstr demonstra demonstrab demonstrabl