questionable
The word “questionable” has 4 syllables: ques-tion-a-ble
It's pronounced as /ˈkwɛs.tʃən.ə.bəl/
What is synonym and antonym for questionable?
In the thesaurus, “questionable” has 97 synonyms and 49 antonyms.
Here are synonyms and antonyms for questionable along with examples of usage in sentences.
Synonyms for questionable
- absurd
- academic
- academical
- alleged
- ambiguous
- apocryphal
- arguable
- bizarre
- contingent
- contradictable
- controversial
- controvertible
- crazy
- cryptic
- debatable
- debated
- disputable
- disputed
- dodgy
- doubtable
- doubtful
- dubious
- dubitable
- enigmatic
- equivocal
- fantastic
- fantastical
- far-fetched
- fishy
- flimsy
- foolish
- hard to believe
- hypothetical
- iffy
- implausible
- impossible
- improbable
- inconceivable
- inconclusive
- incredible
- indecisive
- indefinite
- indeterminate
- insane
- issuable
- moot
- mysterious
- negotiable
- nonsensical
- obscure
- occult
- odd
- open
- open to doubt
- open to question
- oracular
- outlandish
- outside
- paradoxical
- preposterous
- problematic
- problematical
- provisional
- queer
- refutable
- remote
- ridiculous
- shady
- shaky
- slight
- so-called
- speculative
- supposed
- suspect
- suspicious
- theoretic
- theoretical
- unapt
- unbelievable
- uncertain
- unclear
- unconfirmed
- undecided
- undefined
- under advisement
- under examination
- undetermined
- unimaginable
- unlikely
- unproven
- unreal
- unreliable
- unsettled
- unthinkable
- vague
- weak
- wild
Antonyms for questionable
- absolute
- accomplished
- believable
- certain
- clear
- conceivable
- conclusive
- credible
- decisive
- definite
- definitive
- earthly
- hands-down
- imaginable
- inarguable
- incontestable
- incontrovertible
- indisputable
- indubious
- indubitable
- irrefragable
- irrefutable
- liable
- likely
- obvious
- open-and-shut
- plausible
- positive
- possible
- potential
- probable
- proven
- questionless
- settled
- sure
- trustworthy
- trusty
- unambiguous
- unanswerable
- unarguable
- unchallengeable
- uncontested
- undebatable
- undeniable
- undisputed
- undoubted
- unequivocal
- unproblematic
- unquestionable
Meanings of questionable
- adjective
- Problematic; open to doubt or challenge.
- Of dubious respectability or morality.
- Inviting questions; inviting inquiry.
Example Sentences
- The politician's ties to certain corporations raised questionable ethics concerns.
- The quality of the product was questionable due to its low price and unknown origin.
- Her decision to invest in that company seemed questionable given its recent financial troubles.
- The witness provided questionable testimony that cast doubt on the validity of the trial.
- The authenticity of the painting was questionable and required further analysis by experts.
On this page you'll find 146 synonyms, antonyms, or another words to questionable, such as: absolute, absurd, academic, academical, accomplished, alleged, ambiguous.
Make sure to choose synonyms and antonyms that are appropriate for the context of the sentence.
Related Words
vague
- ambiguous
- amorphous
- amphibological
- baffling
- bewildering
- blear
- bleary
- blurred
- blurry
- cloudy
- confounding
- confusing
- cryptic
- dark
- dim
- doubtful
- dreamlike
- dubious
- dusky
- enigmatic
- enigmatical
- equivocal
- faint
- foggy
- fuzzy
- gauzy
- generalized
- gloomy
- hazy
- hieroglyphic
- hieroglyphical
- ill-defined
- impalpable
- imprecise
- inappreciable
- incomprehensible
- indecipherable
- indefinite
- indeterminate
- indiscernible
- indistinct
- indistinguishable
- inexplicable
- inexplicit
- inscrutable
- intangible
- invisible
- lax
- loose
- misty
- misunderstood
- muddy
- murky
- muzzy
- mysterious
- mystifying
- nebulous
- obfuscatory
- obscure
- opaque
- pale
- perplexing
- problematic
- puzzling
- questionable
- shadowy
- superficial
- tenebrous
- uncertain
- unclear
- undefinable
- undefined
- undetermined
- unexplicit
- unfathomable
- unintelligible
- unknown
- unsettled
- unspecified
- unsure
- woozy
dark
- Cimmerian
- Delphian
- Delphic
- abstruse
- ambiguous
- anagogic
- analphabetic
- aphotic
- arcane
- artless
- atramentous
- atrocious
- bad
- baffling
- banned
- barred
- base
- beclouded
- bedimmed
- befogged
- benighted
- bewildering
- black
- blackish
- blackness
- blackout
- blamable
- blameworthy
- bleak
- blue
- brainless
- brownout
- brunet
- brunette
- cabalistic
- caliginous
- callow
- candlelight
- censurable
- cheerless
- chill
- cimmerian
- circuitous
- clandestine
- cloaked
- close
- closemouthed
- clouded
- cloudiness
- cloudy
- cold
- colorless
- comfortless
- complex
- complicated
- concealed
- concealment
- condemned
- confounding
- confusing
- contemptible
- corrupt
- covert
- crepuscular
- cruel
- cryptic
- cursed
- curst
- cussed
- damnable
- darkened
- darkening
- darkish
- darkling
- darkness
- darksome
- dead of night
- debased
- debauched
- deep
- defiling
- degenerate
- dejected
- denseness
- depraved
- depressed
- depressing
- depressive
- desolate
- desperate
- despicable
- despondent
- difficult
- dim
- dimmed
- dimness
- dimout
- dingy
- dire
- dirty
- disallowed
- discomfiting
- disconsolate
- discouraged
- discouraging
- discreet
- disguised
- disheartening
- dishonest
- dishonorable
- dismal
- dismaying
- dispiriting
- disreputable
- dissolute
- distressful
- distressing
- doleful
- double-edged
- dour
- down
- drab
- drear
- dreary
- dreich
- droopy
- dull
- dulled
- dullness
- dulness
- dumb
- dun
- dusk
- dusky
- eerie
- eery
- elegiac
- elegiacal
- elliptic
- elliptical
- enigmatic
- enigmatical
- equivocal
- errant
- erring
- esoteric
- evening
- evil
- evil-minded
- execrable
- faint
- faintness
- fallen
- fogginess
- foggy
- foolish
- forbidden
- forbidding
- foreboding
- forlorn
- foul
- frowning
- fuliginous
- functionally illiterate
- funereal
- furtive
- fuzzy
- gloaming
- gloom
- gloominess
- gloomy
- glowering
- glum
- godforsaken
- gray
- grayness
- green
- grey
- grim
- half-light
- hangdog
- haziness
- hazy
- hellish
- hopeless
- horrible
- hugger-mugger
- idiotic
- idiotical
- ignoble
- ignorant
- ill
- ill-lighted
- illegal
- illiterate
- imbecile
- imbecilic
- immoral
- impalpable
- impenetrable
- improper
- inappreciable
- incomprehensible
- inconsolable
- incorrect
- indecent
- indecipherable
- indecorous
- indefinite
- indirect
- indistinct
- indistinguishable
- inexact
- inexperienced
- inexplicable
- inexplicit
- infamous
- infernal
- iniquitous
- inky
- innocent
- innumerate
- inscrutability
- inscrutable
- intangible
- interdicted
- intricate
- invisible
- joyless
- knotty
- lackluster
- lamentable
- leaden
- libertine
- lightless
- lonely
- lonesome
- loose
- louring
- loury
- lousy
- low
- low-minded
- lowbrow
- lowering
- lowery
- lugubrious
- lurid
- masked
- mean
- melancholic
- melancholy
- menacing
- midnight
- mirthless
- miserable
- mistiness
- misty
- moonless
- morbid
- moronic
- morose
- mournful
- muddy
- murk
- murkiness
- murky
- mysterious
- mystic
- mystical
- mystifying
- naive
- nasty
- naughty
- nebulous
- nefarious
- negative
- night
- nightfall
- nighttime
- noncommittal
- nonliterate
- not known
- noxious
- obfuscatory
- obfuscous
- objectionable
- obnubilated
- obscene
- obscurant
- obscurantic
- obscure
- obscured
- obscurity
- obtuse
- occult
- offensive
- ominous
- opaque
- oppressive
- outlawed
- overcast
- pale
- paleness
- pernicious
- perplexing
- perverted
- pessimistic
- pestilential
- philistine
- pitch-black
- pitch-dark
- pitchy
- plaintive
- plutonian
- prohibited
- proscribed
- prudent
- puzzling
- questionable
- quiet
- raw
- rayless
- recondite
- reprehensible
- reprobate
- reserved
- reticent
- rotten
- roundabout
- rude
- sad
- saturnine
- scowling
- scrofulous
- seclusion
- secrecy
- secret
- secretive
- semidarkness
- semiliterate
- senseless
- sepulchral
- shade
- shaded
- shadiness
- shadowlike
- shadows
- shadowy
- shady
- shrouded
- sick
- silent
- silly
- simple
- sinful
- sinister
- smoggy
- sneak
- sneaky
- snide
- solemn
- somber
- somberness
- sombre
- sooty
- sordid
- sorrowful
- soupy
- sphinxlike
- starless
- stealthy
- stupid
- stygian
- sulky
- sullen
- sunless
- surreptitious
- swart
- swarthy
- taciturn
- tenebrific
- tenebrous
- thickness
- threatening
- tight-lipped
- tight-mouthed
- twilight
- twilit
- ugly
- umbra
- umbrage
- unanswerable
- unauthorized
- unbecoming
- uncanny
- uncertain
- unclean
- unclear
- uncommunicative
- uncultivated
- uncultured
- undefined
- undercover
- underhand
- underhanded
- undetermined
- uneducated
- unenlightened
- unethical
- unfathomable
- ungodly
- unhappy
- unhealthy
- uninstructed
- unknowable
- unknowledgeable
- unlawful
- unlearned
- unlettered
- unlighted
- unlit
- unprincipled
- unpropitious
- unread
- unrighteous
- unsavory
- unschooled
- unscrupulous
- unseemly
- unskilled
- unsophisticated
- untaught
- untrained
- untutored
- unwholesome
- upsetting
- vague
- vicious
- vile
- villainous
- vulgar
- weird
- wicked
- witching hour
- witless
- woebegone
- woeful
- wretched
- wrong
iffy
- capricious
- chancy
- conditional
- debatable
- dependent
- dicey
- disputable
- doubtable
- doubtful
- erratic
- fluctuant
- in lap of gods
- incalculable
- liable
- limited
- modified
- open
- problematic
- problematical
- qualified
- questionable
- restricted
- shady
- shaky
- susceptible
- suspect
- tentative
- uncertain
- undecided
- unpredictable
- unsettled
- up in the air
- whimsical
lamebrained
- absurd
- airhead
- airheaded
- asinine
- astonishing
- balmy
- beast
- beyond belief
- birdbrain
- birdbrained
- blank
- blockhead
- bonehead
- boneheaded
- boobish
- booby
- boor
- bovine
- brain-dead
- brainless
- bubblehead
- bubbleheaded
- buffoon
- cad
- careless
- chowderhead
- chucklehead
- chuckleheaded
- churl
- clodpole
- clodpoll
- clot
- clown
- cluck
- clunk
- cockamamie
- cockeyed
- confused
- crackpot
- crazy
- creep
- cretin
- cretinous
- cuckoo
- cuddie
- cuddy
- cur
- daffy
- daft
- deadhead
- dense
- dim
- dim bulb
- dim-witted
- dimwit
- dip
- dippy
- dodo
- dolt
- doltish
- donkey
- doofus
- dope
- dopey
- dopy
- dork
- dorky
- dotty
- doubtful
- drained
- dubious
- dull
- dullard
- dum-dum
- dumb
- dumb cluck
- dumbbell
- dumbhead
- dummkopf
- dummy
- dunce
- dunderhead
- dunderheaded
- emptied
- empty-headed
- fallacious
- far-fetched
- fathead
- fatuous
- featherbrain
- featherheaded
- feebleminded
- fishy
- flaky
- flighty
- flimsy
- fool
- foolish
- for the birds
- full of holes
- gander
- gawk
- golem
- goof
- goon
- goose
- gormless
- half-baked
- half-wit
- half-witted
- hammerhead
- hardhead
- harebrained
- heedless
- heel
- idiot
- idiotic
- idiotical
- ignoramus
- ignorant
- ill-advised
- ill-considered
- illiterate
- illogical
- imbecile
- imbecilic
- implausible
- impossible
- improbable
- imprudent
- inadvertent
- inane
- inattentive
- incogitable
- incomprehensible
- inconceivable
- incredible
- inept
- injudicious
- insane
- insensate
- invalid
- irrational
- irreflective
- jackass
- jerk
- jerky
- know-nothing
- knucklehead
- knuckleheaded
- kookie
- kooky
- loggerhead
- loon
- looney
- loony
- loser
- lowbrow
- ludicrous
- lump
- lunatic
- lunkhead
- lunkheaded
- mad
- madman
- meathead
- mindless
- minus
- mome
- moron
- moronic
- mug
- mutt
- natural
- neglectful
- negligent
- nimrod
- nincompoop
- ninny
- ninnyhammer
- nit
- nitwit
- noddy
- nonsensical
- noodle
- numbskull
- numskull
- nut
- nutty
- oaf
- oafish
- obtuse
- opaque
- open to doubt
- outlandish
- past belief
- phony
- pinhead
- pinheaded
- prat
- preposterous
- puerile
- questionable
- rash
- ratbag
- reaching
- reckless
- regardless
- remiss
- saphead
- sappy
- scatterbrain
- scatterbrained
- schlub
- schnook
- screwball
- screwy
- senseless
- shallow
- shlub
- silly
- simple
- simpleminded
- simpleton
- skunk
- slow
- slow-witted
- snake
- soft
- softheaded
- staggering
- stinker
- stock
- stupe
- stupid
- superficial
- suspect
- thick
- thick-witted
- thickhead
- thickheaded
- thin
- tomfool
- too much
- turkey
- uncomprehending
- unconvincing
- undiscerning
- uneducated
- unheeding
- unimaginable
- uninformed
- unintellectual
- unintelligent
- unmindful
- unreasonable
- unreasoning
- unreflective
- unsmart
- unsubstantial
- untaught
- unthinkable
- unthinking
- unwise
- vacant
- vacuous
- villain
- void
- wacky
- weak
- weak-minded
- whacky
- witless
- woodenhead
- yahoo
- yo-yo
- zany
obnubilated
- Delphic
- abstruse
- ambiguous
- arcane
- baffling
- beclouded
- bedimmed
- befogged
- bewildering
- cloaked
- clouded
- cloudy
- concealed
- confounding
- confusing
- cryptic
- dark
- deep
- dim
- disguised
- double-edged
- eerie
- eery
- elliptic
- elliptical
- enigmatic
- enigmatical
- equivocal
- esoteric
- faint
- foggy
- fuliginous
- fuzzy
- hazy
- impalpable
- impenetrable
- inappreciable
- incomprehensible
- indecipherable
- indefinite
- indistinct
- indistinguishable
- inexact
- inexplicable
- inexplicit
- inscrutable
- intangible
- invisible
- masked
- misty
- muddy
- murky
- mysterious
- mystic
- mystifying
- nebulous
- noncommittal
- obfuscatory
- obscurant
- obscurantic
- obscure
- occult
- opaque
- perplexing
- puzzling
- questionable
- recondite
- shaded
- shadowlike
- shadowy
- shrouded
- sphinxlike
- unanswerable
- uncanny
- uncertain
- unclear
- undefined
- undetermined
- unfathomable
- unknowable
- vague
- weird