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unsubstantiated synonyms

Trying to find another word for unsubstantiated in English? No problem. Our thesaurus contains synonyms of unsubstantiated in 19 different contexts. We have listed all the similar and related words for unsubstantiated alphabetically.

  • able to hold water
  • assertable
  • believable
  • conceivable
  • credible
  • defendable
  • defensible
  • feasible
  • imaginable
  • maintainable
  • rational
  • reasonable
  • supportable
  • sustainable
  • viable
  • workable
  • arguable
  • argumentative
  • contended
  • contentious
  • contestable
  • controvertible
  • debateable
  • disputable
  • disputatious
  • disputed
  • doubtable
  • doubtful
  • dubious
  • dubitable
  • in dispute
  • litigious
  • arguable
  • between rock and hard place
  • between sixes and sevens
  • betwixt and between
  • bone of contention
  • borderline
  • chancy
  • contestable
  • disputable
  • doubtful
  • dubious
  • iffy
  • in dispute
  • moot
  • mootable
  • open to question
  • arguable
  • controversial
  • doubtful
  • dubious
  • moot
  • mootable
  • problematic
  • questionable
  • uncertain
  • ambiguous
  • borderline
  • chancy
  • clouded
  • contingent
  • debatable
  • dicey
  • disreputable
  • doubtable
  • dubious
  • dubitable
  • equivocal
  • far-fetched
  • fat chance
  • fishy
  • hazardous
  • arguable
  • chancy
  • debatable
  • diffident
  • disputable
  • dubitable
  • equivocal
  • far-fetched
  • fishy
  • fly-by-night
  • hesitant
  • iffy
  • improbable
  • indecisive
  • moot
  • mootable
  • borderline
  • chancy
  • clouded
  • doubtable
  • dubious
  • equivocal
  • iffy
  • in doubt
  • in question
  • inconclusive
  • indecisive
  • indeterminate
  • questionable
  • shady
  • suspicious
  • uncertain
  • ambiguous
  • doubtable
  • dubious
  • dubitable
  • equivocal
  • far-fetched
  • funny
  • implausible
  • improbable
  • odd
  • problematic
  • queer
  • questionable
  • shady
  • suspect
  • uncertain
  • ambiguous
  • apocryphal
  • arguable
  • contingent
  • controversial
  • controvertible
  • cryptic
  • debatable
  • disputable
  • dubious
  • dubitable
  • enigmatic
  • equivocal
  • fishy
  • hypothetical
  • iffy
  • capricious
  • chancy
  • conditional
  • dicey
  • doubtful
  • erratic
  • fluctuant
  • in lap of gods
  • incalculable
  • problematic
  • undecided
  • unpredictable
  • unsettled
  • up in the air
  • whimsical
  • broad
  • confused
  • doubtful
  • dubious
  • equivocal
  • evasive
  • general
  • ill-defined
  • imprecise
  • indeterminable
  • indeterminate
  • indistinct
  • inexact
  • inexhaustible
  • infinite
  • innumerable
  • ambiguous
  • apocryphal
  • arguable
  • contingent
  • controversial
  • controvertible
  • cryptic
  • debatable
  • disputable
  • dubious
  • dubitable
  • enigmatic
  • equivocal
  • fishy
  • hard to believe
  • hypothetical
  • contentious
  • controversial
  • disputable
  • doubtful
  • dubious
  • moot
  • questionable
  • sub judice
  • uncertain
  • unsure
  • doubtable
  • dubious
  • fishy
  • incredible
  • open
  • problematic
  • pseudo
  • questionable
  • ridiculous
  • shaky
  • suspected
  • suspicious
  • thick
  • thin
  • unbelievable
  • uncertain
  • apprehensive
  • cagey
  • careful
  • cautious
  • doubtful
  • green-eyed
  • in doubt
  • incredulous
  • jealous
  • leery
  • mistrustful
  • not born yesterday on the lookout
  • questioning
  • quizzical
  • skeptical
  • suspect
  • ambiguous
  • ambivalent
  • chancy
  • conjectural
  • dubious
  • erratic
  • fitful
  • hanging by a thread
  • hazy
  • hesitant
  • iffy
  • incalculable
  • inconstant
  • indefinite
  • indeterminate
  • indistinct
  • bottomless
  • flimsy
  • foundationless
  • gratuitous
  • groundless
  • reasonless
  • uncorroborated
  • unfounded
  • ungrounded
  • unjustifiable
  • unjustified
  • unsubstantiated
  • unsupported
  • untenable
  • unwarranted
  • bottomless
  • flimsy
  • foundationless
  • gratuitous
  • groundless
  • reasonless
  • unconfirmed
  • unfounded
  • ungrounded
  • unjustifiable
  • unjustified
  • unsubstantiated
  • unsupported
  • untenable
  • unwarranted
  • bottomless
  • flimsy
  • foundationless
  • gratuitous
  • groundless
  • reasonless
  • unconfirmed
  • uncorroborated
  • unfounded
  • ungrounded
  • unjustifiable
  • unjustified
  • unsubstantiated
  • untenable
  • unwarranted

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