Dubious

Part of speech: adjective (a.)

1. Doubtful or not settled in opinion; being in doubt; wavering or fluctuating; undetermined. "Dubious policy." Sir T. Scott. A dubious, agitated state of mind. Thackeray.

2. Occasioning doubt; not clear, or obvious; equivocal; questionable; doubtful; as, a dubious answer. Wiping the dingy shirt with a still more dubious pocket handkerchief. Thackeray.

3. Of uncertain event or issue; as, in dubious battle.

Synonyms: Doubtful; doubting; unsettled; undetermined; equivocal; uncertain. Cf. Doubtful.