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Definition of dubious:

  1. Doubtful or not settled in opinion; being in doubt; wavering or fluctuating; undetermined.
  2. Occasioning doubt; not clear, or obvious; equivocal; questionable; doubtful; as, a dubious answer.
  3. Of uncertain event or issue; as, in dubious battle.


suspect, borderline, ambiguous, chancy, unconvinced, problematical, doubtful, hesitant, equivocal, in question, certain, dubitable, questionable, uncertain, indecisive, iffy, incertain, obscure, unclear, unclear, indecisive, enigmatic, problematic, enigmatical, indeterminate, indefinite, inconclusive, unsure, clouded, tentative, perplexing, undecided, indistinct, clear.

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