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Thesaurus / hard to believe
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  • as inquestionable
  • as inunsubstantiated

synonyms for hard to believe

  • ambiguous
  • arguable
  • controversial
  • debatable
  • dubious
  • problematic
  • suspicious
  • unproven
  • vague
  • apocryphal
  • contingent
  • controvertible
  • cryptic
  • disputable
  • dubitable
  • enigmatic
  • equivocal
  • fishy
  • hypothetical
  • iffy
  • indecisive
  • indefinite
  • indeterminate
  • moot
  • mysterious
  • obscure
  • occult
  • open to doubt
  • open to question
  • oracular
  • paradoxical
  • problematical
  • provisional
  • shady
  • suspect
  • unconfirmed
  • undefined
  • under advisement
  • under examination
  • unreliable
  • unsettled

antonyms for hard to believe

MOST RELEVANT
  • certain
  • clear
  • definite
  • incontrovertible
  • sure
  • trustworthy
  • trusty
  • undoubted
  • unquestionable
  • indisputable
  • proven
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
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Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.