Đồng nghĩa của hard to believe

implausible incredible unbelievable improbable unconvincing unlikely fantastic far-fetched inconceivable debatable dubious suspect unimaginable unreasonable weak absurd doubtful fanciful fantastical flimsy incredulous preposterous questionable ridiculous uncompelling unconceivable unrealistic unthinkable cock-and-bull farfetched fishy impossible not likely obscure problematic puzzling reachy tall thin unplausible unsubstantial far out full of it too much won't wash cock and bull for the birds full of holes hard to swallow won't hold water strained laboured labored beyond belief scarcely credible hard to take shaky unsound unpersuasive specious doubtable dubitable shonky outlandish astonishing astounding extraordinary trifling feeble lame forced remote unsatisfactory inadequate pathetic ponderous transparent ineffectual shallow staggering poor unimpressive strange breathtaking unimagined phenomenal untenable insupposable uncredible incogitable highly unlikely rings phony not in the least likely difficult to believe half-baked out of the question not able to hold water not convincing illogical mind-boggling rare extravagant bizarre ludicrous beyond the bounds of possibility amazing unreal fabricated crazy iffy make-believe suspicious unheard-of exaggerated fabulous incoherent contrived wild queer elaborate mind-blowing singular outrageous unheard of equivocal unapt mythical uncertain made-up incomprehensible unknowable eccentric nonsensical false misleading insane irrational odd unnatural imaginary distorted phony mad shady incongruous unique unordinary exceptional uncommon dishonest phoney artificial fairy-tale romantic overdone farcical laughable curious cockamamie whimsical illusory visionary untrustworthy disputable infeasible capricious impracticable suppositious flakey flaky out of the ordinary not on not to be thought of outside chance off-the-wall off the wall hare-brained out of sight unsure hundred-to-one inauthentic ineffable unspeakable untold unutterable hokey indescribable faint slight imcomprehensible extremely implausible extremely doubtful extremely unlikely overblown inapprehensible undreamed-of overwhelming unthought of untoward contrary highly colored beyond reason extremely difficult to believe won't fly sensational embellished untrue untruthful unacceptable undreamed of slim sublime unusual insupportable spectacular hyperbolic less likely not understandable slim and none not expected sick dope beyond possibility embroidered histrionic arguable unreliable undependable likely beyond wildest dreams dodgy caricatural excellent harebrained reaching blown up beyond the realm of reason beyond your wildest dreams speculative undecided unconfirmed unsettled kooky scatterbrained cockeyed lamebrained screwy complicated excessive increditable ill inconsequential unbelieveable recondite long shot fat chance on thin ice touch-and-go overdramatic high-flown sensationalized eye-popping jaw-dropping very good problematical overstated inflated funny open to doubt past belief weird peculiar pseudo not quite right open to suspicion potentially dangerous open thick potentially false suspected under suspicion unclear not kosher uncivilised inordinate uncivilized unconscionable sensationalised extortionate barbarous foolish comical grandiose oddball ideal erratic wacky zany ambitious fancied highly coloured unachievable chimerical legendary illusive daft extreme barmy hallucinatory different potty unattainable pretend invented fictitious fantasied imaginative chimeric phantom mythic phantasmal imagined imaginal fictional notional poetic phantasmic outré last straw out of bounds unworkable unfeasible unobtainable crackpot unviable hopeless offbeat kinky blue sky pipe dream shadowy fictive pie in the sky aerial castles in the air dreamlike fairy tale floating on cloud nine out of this world cock-eyed forlorn vain impractical insurmountable undoable insuperable irresoluble insolvable unrealizable unsolvable risible irresolvable paradoxical impervious insoluble inaccessible useless futile inexecutable impassable irrealizable hardly possible no-go non-viable like herding cats not possible no-way beyond you not a prayer not worth considering beyond one way out contrary to reason

lame poor thin unconvincing weak feeble flimsy pathetic hollow implausible inadequate puny transparent unlikely half-baked insufficient unsatisfactory faltering faulty flabby ineffective inefficient unpersuasive unpleasing unsuitable hard to swallow shallow incredible unbelievable inconceivable questionable suspect improbable tenuous unsound paltry ineffectual trifling untenable dubious doubtful sketchy tame specious fantastic unreasonable far-fetched fishy illogical superficial flat false groundless unimpressive fallacious inept unsuccessful phony trivial unsubstantial fruitless futile profitless useless phoney unrealistic fanciful frivolous fantastical incredulous uncompelling unthinkable unimaginable strained unconceivable controvertible inane baseless assailable wishful weakly contemptible puerile ungrounded remote ponderous forced laboured labored strange insubstantial difficult to believe cock-and-bull not convincing beyond belief scarcely credible hard to take full of it threadbare vapid preposterous meager meagre vague flawed irrational nonsensical inconclusive unsubstantiated absurd contradictory nebulous ludicrous farfetched weak-kneed spurious incongruous unsustainable invalid unsupportable shaky irreconcilable puzzling obscure senseless impossible indefensible nonrational reachy vain unfounded airy unreasoned inconsequent illegitimate inconsequential unreasoning fatuous nutty wacky slight problematic off the wall won't hold water full of holes won't wash self-contradictory unapt debatable ridiculous not likely uncertain iffy beyond the bounds of possibility unexpected erroneous unsupported unbacked unnatural contrived lacking substance ill-founded elaborate bizarre exaggerated incoherent hokey overdone unimagined tall unplausible slim impracticable hundred-to-one rare mind-boggling far out too much slim and none not expected outside chance unheard of for the birds cock and bull doubtable dubitable equivocal speculative unsettled undecided unconfirmed unsure long shot fat chance on thin ice touch-and-go

unsubstantiated groundless unfounded baseless unreasonable unsupported unwarranted ill-founded speculative spurious untested unverified conjectural questionable unattested unconfirmed uncorroborated unestablished unjustifiable unjustified unproven assumed not validated presumed unreliable untrustworthy debatable disputable dodgy doubtful dubious flimsy foundationless iffy invalid nebulous nonvalid suspect tenuous undependable unsound weak without basis without foundation arguable controversial dubitable fishy indefinite open to question suppositious suppositive suspicious uncertain not backed up by evidence open to doubt false specious shaky untrue erroneous illogical fallacious unconvincing untenable inaccurate wrong fabricated ungrounded flawed misguided defective implausible vain irrational fallible faulty misinformed deceptive incorrect trumped-up idle unendorsed fake gratuitous bottomless equivocal bogus trumped up mistaken nonrational illegitimate unreasoning inconsequent inconsequential reasonless sophistic unreasoned problematic fictitious unauthenticated made-up imaginary full of holes wide of the mark invented indefensible preposterous uncalled-for vague empty inadequate misleading illusory sketchy absurd untruthful dicey without justification hollow unsustainable inexact chancy rocky disreputable risky phoney incongruous unreal falsified phony doubtable off unsubstantial mad flakey pseudo unstable flaky sham problematical shady queer off beam off-target unclear insecure nonsupported unsupervised hearsay unofficial unproved manufactured inexcusable unpardonable unwarrantable unforgivable unsafe without substantiation without merit factitious faked contrived mendacious off-base mythical legendary controvertible inexpiable delusory delusive insubstantial uncanonical contentious borderline not genuine imprecise unbacked casuistic moot issuable insupportable negligible fragile distorted in doubt negotiable beguiling deceitful deluding deceiving unspecific insignificant hazy unprovoked allonymous ungenuine counterfeit fictional improbable unpersuasive unbelievable cooked up made up sophistical unsettled unsure indecisive open to debate open to suspicion subject to debate fraudulent indeterminate nonsensical poor unsatisfactory unlikely far-fetched contradictory incredible ludicrous inconclusive feeble farfetched lame unauthorized not reliable not dependable way off beam way off apocryphal unsupportable inconceivable obscure impossible irreconcilable puzzling senseless fantastic chimerical pathetic airy fatuous nutty thin wacky slight reachy unimpressive uncalled for not backed up causeless unscientific without cause unauthorised without reason out inconsistent off the wall won't hold water won't wash self-contradictory without explanation off target wrongly inferred illegal way out not working paltry ridiculous shallow trifling silly insufficient unimaginable unthinkable stupid incoherent half-baked ineffectual idiotic hard to swallow fantastical incredulous uncompelling daft unconceivable transparent remote frail foolish crazy trivial fanciful inane brainless insane imbecilic beyond belief ill-considered ill-defined kooky full of it frivolous slim harebrained superficial unsuccessful flat unintelligent imperfect arbitrary witless unwise indistinct injudicious light moronic confused asinine loony cock-and-bull too much cockamamie scarcely credible for the birds tame ineffective difficult to believe faint inept outside small distant unacceptable puerile futile bad vapid wishful unrealistic disjointed slender minute amiss contemptible assailable weakly meaningless mindless laboured impaired ambiguous faltering strained forced dotty laughable thoughtless incomprehensible imprudent staggering perverse mind-boggling barmy not likely vacant indiscreet zany incautious labored unimagined strange unintelligible far out extraordinary dim cockeyed screwy perplexing incogitable mind-blowing rare hesitant shadowy lunatic dippy daffy jerky short-sighted ill-advised half-witted nerdy doltish unearthly softheaded beyond the bounds of possibility feebleminded tomfool simple threadbare unarguable undefendable refutable tiny inauthentic inadmissible minimal meagre meager tall unplausible wrongly deduced minuscule exiguous weak-kneed lacking substance puny unthinking useless fruitless profitless ponderous feeble-minded astonishing amazing wild irrelevant unconnected outlandish cock and bull enigmatic blurred reaching infeasible unapt inefficient flabby unpleasing unsuitable eye-popping scatterbrained lamebrained past belief jaw-dropping demented off-the-wall freaky distraught raving aberrant disconnected delirious not following hard to take not convincing slim and none not expected outside chance unheard of impracticable hundred-to-one not making sense woolly bleary foggy cloudy purposeless unheard-of unknowable wooly fuzzy erratic loose capricious bad-tempered stroppy quirky out of the question imcomprehensible insupposable ill-tempered hesitating halting vacuous extremely implausible extremely unlikely extremely doubtful worthless loopy cockamamy not to be thought of beyond reason won't fly extremely difficult to believe not in the least likely all wet cretinous pointless risible stuttering stammering inarticulate casual minor petty unimportant shoestring inconsiderable full of hot air empty-headed goofy gormless infantile dumb damfool divvy childish insincere dof glaikit insipid crass wishy-washy immature innocuous sappy hypocritical artificial cynical garbled stumbling devoid of intelligence feigned pretended inexplicit debased rank unretentive unfit adulterated awry lemon sick malformed injured tainted blamable broken-down warped marred botched blemished incomplete cracked leaky deficient maimed pretend dissimulating dissembling unpredictable unforeseeable indistinguishable unresolved incalculable cryptic arcane abstruse undetermined undefined mysterious mumbled muttered broken poorly spoken treacherous undecided unknown confusing muffled double-dealing devoid of validity two-faced hollow-hearted faithless intangible indiscernible wavering irresolute equivocating elusive vacillating below par up in the air in the balance

staggering surprising astonishing shocking astounding amazing stupefying stunning startling jolting flabbergasting dumbfounding jarring blindsiding dumfounding unbelievable confounding distressing jaw-dropping eye-opening mind-blowing mind-boggling eye-popping extraordinary remarkable overwhelming unexpected unsettling unforeseen striking incredible beyond belief disturbing disquieting bewildering unnerving unanticipated unheard of hard to swallow sudden dramatic sensational unusual unpredictable awe-inspiring unpredicted without warning out of the blue from left field alarming outrageous breathtaking impressive dynamite perturbing disconcerting brilliant phenomenal wondrous notable uncommon outstanding noteworthy scary frightening frightful upsetting preposterous gee-whizz amazeballs bizarre strange befuddling outlandish baffling flustering devastating freakish freaky awful unthinkable unannounced unimaginable out of the ordinary destabilizing uncomfortable destabilising worrying

hard to come by hard to connect with hard to define hard to describe hard to digest hard to explain hard to bear hard times hard time hard taskmaster hardtacks hardtack