What is the opposite of infallible?

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

Contexts ▼▲ Opposite of incapable of making mistakes or being wrong Opposite of always successful, not likely to fail Opposite of able to be relied upon or depended on Opposite of not able to be disputed Opposite of firm, strong, or substantial Opposite of indisputable, beyond doubt Opposite of exact in correspondence or adherence to something Opposite of able to be relied on or trusted Opposite of free from error Opposite of capable of being trusted Opposite of displaying logic and common sense (of a person) Opposite of able to be trusted due to having integrity or principles … more ▼ ▲ Adjective ▲ Opposite of incapable of making mistakes or being wrong fallible errant human imperfect frail weak flawed erring mortal untrustworthy unreliable careless errable error-prone open to error liable to err prone to error prone to err faulty inaccurate impure defective sinful wretched straying sinning risky mistaken imprecise uncertain incomplete damaged poor Adjective ▲ Opposite of always successful, not likely to fail doubtful dubious uncertain undependable unsure defective faultful faulty frail weak flawed mortal human careless untrustworthy errable errant open to error liable to err prone to error prone to err Adjective ▲ Opposite of able to be relied upon or depended on fallible unreliable disloyal ephemeral inconstant uncertain undependable unfaithful unsure untrustworthy changing erratic failing impermanent limited unstable iffy inconclusive equivocal ambiguous speculative questionable error-prone unpredictable errable flawed errant doubting indefinite unconfident undecided Adjective ▲ Opposite of not able to be disputed questionable answerable arguable contradictable controvertible debatable disputable doubtable moot negotiable problematic problematical refutable Adjective ▲ Opposite of firm, strong, or substantial fragile crumbling decaying precarious decrepit unsound weak compromised deteriorated rickety breakable delicate inadequate ruined vulnerable dilapidated frail iffy tumbledown unreliable unsteady fracturable shabby unstable worn deteriorating feeble insubstantial rundown shaky weakly destructible dodgy flimsy bedraggled derelict friable battered decayed quavering uncertain brittle creaky frangible insecure antiquated crumbly haggard shatterable wispy broken-down easily broken easily destroyed falling apart in disrepair in ruins run down run-down weather-beaten worn out worn-out falling to pieces worse for wear in a state of disrepair on its last legs “From years of decay, the columns holding the structure together appear to be fragile.” Adjective ▲ Opposite of indisputable, beyond doubt debatable doubtful dubious inconclusive uncertain unfounded unproven unsound disputable imperfect indefinite questionable refutable tenuous unsure vague open unsettled ambiguous undecided unconfirmed flawed unclosed loose permeable penetrable unsealed possible insecure self-distrustful diffident self-doubting feared hesitant confused dismayed distrustful doubted unfixed doubting fearful indecisive qualified undetermined indeterminate unclear groundless unconvincing unresolved moot unproved incomplete inadequate unsatisfactory partial equivocal more ❯ Adjective ▲ Opposite of exact in correspondence or adherence to something loose flexible lenient liberal lax relaxed inexact heedless tolerant unrestricted unrigorous unsecured undetailed unmeticulous unrestrained nonspecific permissive indifferent inexplicit generic imprecise inaccurate non-restrictive slack elastic mutable variable changeable alterable “For the kids, the rules can probably be adhered to in a loose manner.” 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 free from error incorrect wrong erroneous fallacious illogical mistaken false iffy inaccurate untrue defective faulty imperfect improper inexact off specious unreliable biased flawed imprecise invalid unfitting unsuitable “She admitted that parts of her statement were incorrect and acknowledged providing false evidence at the inquiry.” Adjective ▲ Opposite of capable of being trusted undependable unreliable untrustworthy fickle trustless deceitful dishonest irresponsible faithless questionable unfaithful untrusty duplicitous traitorous disloyal dubious slippery treacherous dodgy double-dealing iffy sneaky two-faced two-timing untrue not dependable “He was at least comforted that Markov had made the arrangements for the boat, the last dependable act of an otherwise undependable brother.” Adjective ▲ Opposite of displaying logic and common sense illogical irrational senseless absurd crazy fallacious groundless implausible incoherent misguided misleading misled nonrational nonsensical nonvalid preposterous thoughtless uncompelling unconvincing unfounded uninformed unjustified unprepared unreasonable unreasoned unsubstantiated witless cockeyed daffy fatuous flimsy half-baked half-witted harebrained illegitimate inconsequent insane looney loony mad nutty simpleminded sophistic sophistical specious stupid unarticulated unscientific unsound unsupported unwarranted weak-minded “Her explanation for her bad behavior was completely illogical.” Adjective ▲ (of a person) Opposite of able to be trusted due to having integrity or principles unreliable untrustworthy undependable dodgy uncertain unsafe irresponsible bad broken corrupt deceptive dishonest evil false fraudulent inadequate indefinite intermittent soft unfixed unreal unrespectable unstable unsteady unsuitable unsure vulnerable weak wobbly “The witnesses were unreliable and were only looking to cash in on their fifteen minutes of fame.” Find more words! 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Sentences with the word infallible Words that rhyme with infallible What is the adverb for infallible? What is the adjective for infallible? What is the noun for infallible? Translations for infallible Use our Antonym Finder Nearby Words infallibly infamies infamous infamously infamy infancies infallibility infallibilities in fact inextricably inextricable inextricability 10-letter Words Starting With i in inf infa infal infall infalli infallib infallibl