Du"bi*ous (?), a. [L. dubius, dubiosus, fr. duo two. See Two, and cf. Doubt.]
Doubtful or not settled in opinion; being in doubt; wavering or fluctuating; undetermined.
Sir T. Scott.
A dubious, agitated state of mind.
Occasioning doubt; not clear, or obvious; equivocal; questionable; doubtful; as, a dubious answer.
Wiping the dingy shirt with a still more dubious pocket handkerchief.
Of uncertain event or issue; as, in dubious battle.
Syn. -- Doubtful; doubting; unsettled; undetermined; equivocal; uncertain. Cf. Doubtful.
© Webster 1913.