D defs.my
Entry 3 senses Webster, 1913

Dubious

/do͞ob'-ē-əs/ · Du·bi·ous · IPA /ˈdu.bi.əs/
01 a. Doubtful or not settled in opinion; being in doubt; wavering or fluctuating; undetermined.
  1. 1.
    Doubtful or not settled in opinion; being in doubt; wavering or fluctuating; undetermined.
    “A dubious, agitated state of mind.” Thackeray.
  2. 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. 3.
    Of uncertain event or issue; as, in dubious battle.