Past Tenses
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improbable synonyms

Trying to find another word for improbable in English? No problem. Our thesaurus contains synonyms of improbable in 23 different contexts. We have listed all the similar and related words for improbable alphabetically.

  • ambiguous
  • borderline
  • chancy
  • clouded
  • contingent
  • debatable
  • dicey
  • disreputable
  • doubtable
  • dubious
  • dubitable
  • arguable
  • chancy
  • debatable
  • diffident
  • disputable
  • dubitable
  • equivocal
  • far-fetched
  • fishy
  • fly-by-night
  • hesitant
  • absurd
  • aerial
  • bizarre
  • blue sky
  • capricious
  • castles in the air
  • chimerical
  • curious
  • dreamlike
  • extravagant
  • fabulous
  • bizarre
  • doubtful
  • dubious
  • eccentric
  • fantastic
  • fishy
  • forced
  • hard to swallow
  • illogical
  • implausible
  • improbable
  • chiffon
  • cut-rate
  • decrepit
  • defective
  • delicate
  • diaphanous
  • feeble
  • fragile
  • frail
  • gauzy
  • gossamer
  • accident
  • adventure
  • coincidence
  • dynamite
  • fling
  • fluke
  • go
  • long shot
  • lucky break
  • lucky hit
  • misfortune
  • capricious
  • chancy
  • conditional
  • dicey
  • doubtful
  • erratic
  • fluctuant
  • in lap of gods
  • incalculable
  • problematic
  • undecided
  • doubtful
  • dubious
  • far out
  • farfetched
  • fishy
  • flimsy
  • for the birds
  • full of holes
  • impossible
  • improbable
  • inconceivable
  • extraordinary
  • fantastic
  • imcomprehensible
  • implausible
  • impossible
  • improbable
  • incogitable
  • incredible
  • insupposable
  • mind-boggling
  • phony
  • doubtful
  • dubious
  • fanciful
  • far-fetched
  • flimsy
  • hundred-to-one
  • iffy
  • implausible
  • inconceivable
  • outside chance
  • questionable
  • also-ran
  • hundred-to-one shot
  • improbability
  • little chance
  • little opportunity
  • long shot
  • outside shot
  • poor bet
  • poor lookout
  • poor possibility
  • poor prognosis
  • ambiguous
  • apocryphal
  • arguable
  • contingent
  • controversial
  • controvertible
  • cryptic
  • debatable
  • disputable
  • dubious
  • dubitable
  • attenuate
  • attenuated
  • deficient
  • extraordinary
  • few
  • few and far between
  • flimsy
  • inconceivable
  • isolated
  • light
  • limited
  • diet
  • reduce
  • slenderize
  • doubtful
  • dubious
  • fanciful
  • far-fetched
  • flimsy
  • hundred-to-one
  • iffy
  • implausible
  • inconceivable
  • not expected
  • outside chance
  • astonishing
  • beyond belief
  • cockamamie
  • cockeyed
  • doubtful
  • dubious
  • far-fetched
  • fishy
  • flaky
  • flimsy
  • for the birds
  • ambiguous
  • ambivalent
  • chancy
  • conjectural
  • dubious
  • erratic
  • fitful
  • hanging by a thread
  • hazy
  • hesitant
  • iffy
  • flimsy
  • implausible
  • inconclusive
  • lame
  • questionable
  • suspect
  • unbelievable
  • weak
  • exceptional
  • inconceivable
  • little-known
  • nameless
  • new
  • novel
  • outlandish
  • preposterous
  • rare
  • shocking
  • singular
  • beyond wildest dreams
  • doubtful
  • exceptional
  • extraordinary
  • fantastic
  • impossible
  • improbable
  • inapprehensible
  • incogitable
  • incomprehensible
  • inconceivable
  • absurd
  • contrary
  • doubtful
  • dubious
  • faint
  • implausible
  • improbable
  • inconceivable
  • incredible
  • not likely
  • out of the ordinary
  • fragile
  • frail
  • thin
  • anemic
  • debilitated
  • decrepit
  • delicate
  • effete
  • enervated
  • exhausted
  • faint
  • feeble
  • flaccid
  • flimsy

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