not to be believed

34 Moby Thesaurus words for "not to be believed":
      a bit thick, a bit thin, absurd, beyond belief, doubtable,
      doubtful, dubious, dubitable, hard of belief, hard to believe,
      implausible, inconceivable, incredible, not deserving belief,
      open to doubt, open to suspicion, passing belief, preposterous,
      problematic, questionable, ridiculous, staggering belief, suspect,
      suspicious, tall, thick, thin, unbelievable, unconvincing,
      unearthly, ungodly, unimaginable, unthinkable,
      unworthy of belief