Improbable synonyms

What is another word for Improbable?

• unlikely

  fantastic, not likely
• unbelievable

  not likely, inauthentic
• incredible

  unbelievable, implausible
• implausible

  difficult to believe, not likely
• inconceivable

  not likely, unthinkable
• doubtful

  unlikely, not likely
• questionable

  unlikely, doubtful
• unconvincing

  likely, inauthentic
• unthinkable

  unbelievable
• dubious

  unlikely, doubtful
• far-fetched

  difficult to believe, fantastic
• weak

  unconvincing, implausible
• unimaginable

  unthinkable, unbelievable
• fanciful

  difficult to believe, doubtful
• impossible
• uncertain

  unlikely, doubtful
• flimsy

  likely
• marvelous
• fabulous
• absurd

  inauthentic
• preposterous

  inauthentic, unconvincing
• tall
• fantastic
• rare

  unlikely
• fishy
• strained

  fantastic, contrived
• slim
• debatable
• ridiculous

  inauthentic
• extraordinary

  unbelievable