What is the opposite of probable?

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

Contexts ▼▲ Opposite of likely to happen or be the case Opposite of worthy of being believed or accepted as true Opposite of likely to happen at a future date Opposite of having a valid reason Opposite of apparently true, but not necessarily Opposite of achievable or able to be attained Opposite of based on, or displaying, common sense Opposite of able to be predicted Opposite of capable or deserving to be admitted, accepted or allowed Opposite of seemingly well-reasoned, plausible or true, but actually fallacious … more ▼ ▲ Adjective ▲ Opposite of likely to happen or be the case improbable unlikely doubtful dubious questionable impossible inconceivable unreasonable not likely implausible unbelievable incredible far-fetched unplausible unimaginable unconvincing unreliable unforeseeable unacceptable unthinkable unpromising cock-and-bull unbelieveable untenable undependable fabulous remote difficult illogical increditable irrational dishonest deceptive irresponsible unsound helpless inconclusive unpersuasive uncompelling indecisive ineffective unimportant insignificant impotent weak untrustworthy beyond belief out of the question desperate disheartening pessimistic gloomy dismal unencouraging unpropitious downbeat bleak discouraging dark depressing dreary inauspicious hopeless inapt more ❯ Adjective ▲ Opposite of worthy of being believed or accepted as true far-fetched implausible incredible unbelievable unplausible preposterous inconceivable unconvincing fantastic doubtful unthinkable dubious absurd fanciful unimaginable ridiculous questionable fantastical flimsy unreasonable unrealistic weak impossible incredulous suspect uncompelling thin unconceivable fishy unsubstantial debatable farfetched puzzling tall reachy problematic obscure unnatural contrived elaborate hokey insubstantial overdone laboredUS labouredUK difficult to believe cock-and-bull hard to swallow beyond the bounds of possibility hard to take scarcely credible not likely hard to believe cock and bull unlikely improbable inappropriate untenable impractical beyond belief infeasible unpractical Adjective ▲ Opposite of likely to happen at a future date agreed concurred Adjective ▲ Opposite of having a valid reason indefensible unjustifiable unreasonable arbitrary insupportable unsustainable untenable unwarranted capricious illegal illegitimate improbable inexcusable invalid prohibited unacceptable unlawful unlikely unsuitable wrong Adjective ▲ Opposite of apparently true, but not necessarily real actual concrete factual confirmed effective definite specific exact true indubitable absolute clear unquestionable categorical undeniable authentic truthful substantive genuine substantial tangible certain veritable precise attested hard verified indisputable clear-cut Adjective ▲ Opposite of achievable or able to be attained unattainable impossible impracticable inaccessible unfeasible unobtainable hopeless infeasible nonviable unavailable undoable unrealizable unviable unworkable improbable unlikely unprocurable unreachable unachieveable unreasonable out of reach unrealistic Adjective ▲ Opposite of based on, or displaying, common sense groundless baseless unjustified Unsupported unfounded unsubstantiated unwarranted illogical nonsensical unreasoned fallacious foundationless incoherent unjustifiable inconsequential questionable sham untrue bogus specious unrecognisedUK unrecognizedUS weak erroneous invalid unrealistic wrong illegitimate spurious untrustworthy false inconsequent misguided unreliable gratuitous imaginary nonrational unconvincing unsound causeless illusory uninformed unproven unreasonable irrational nonvalid uncorroborated unsupported ill-founded uncalled for uncalled-for without basis without cause without explanation without foundation without justification without reason not backed up senseless absurd implausible improbable insane preposterous silly ridiculous crazy fatuous asinine idiotic inane foolish obscure ludicrous stupid bizarre unsuitable fantastical daft brainless unintelligent more ❯ “Of course, the moment I got there it was clear that all my concerns were completely groundless.” Adjective ▲ Opposite of able to be predicted surprising unexpected unforeseen unlikely unpredictable improbable out of the blue perplexing astonishing aberrant uncommon rare unusual untypical abnormal uncharacteristic unfamiliar bizarre abrupt unanticipated anomalous odd strange extraordinary atypical startling peculiar aberrational unrepresentative aberrated stunning impulsive non-typical sudden anomalistic impetuous staggering unheralded unpredicted from left field Adjective ▲ Opposite of capable or deserving to be admitted, accepted or allowed inadmissible banned barred forbidden impermissible interdicted prohibited proscribed verboten disallowed illegitimate inapplicable inappropriate intolerable irrelevant unacceptable unfair unjust unsuitable wrong Adjective ▲ Opposite of seemingly well-reasoned, plausible or true, but actually fallacious aboveboard forthright nondeceptive straightforward accurate correct credible genuine honest real right true truthful valid Find more words! 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Sentences with the word probable Words that rhyme with probable What is the plural of probable? What is the adjective for probable? What is the noun for probable? What is the adverb for probable? Translations for probable Use our Antonym Finder Nearby Words probably probation probationary probationer probative probatory probability probabilities probabilistically probabilistic prob proatherogenic 8-letter Words Starting With p pr pro prob proba probab probabl