Dubious

DUBIOUS, adjective [Latin See [[Doubt]]. The primary sense is probably to turn or to waver.]

1. Doubtful; wavering or fluctuating in opinion; not settled; not determined; as, the mind is in a dubious state.

2. Uncertain; that of which the truth is not ascertained or known; as a dubious question.

3. Not clear; not plain; as dubious light.

4. Of uncertain event or issue.

In dubious battle.