adjective. Fraught with uncertainty or doubt; undecided.

adjective. Arousing doubt; doubtful.

adjective. Of questionable character.

Doubting; hesitating; wavering or fluctuating in opinion, but inclined to doubt.

Doubtful; marked by or occasioning doubt or uncertainty; difficult to determine or relieve of uncertainty; not distinct or plain; puzzling: as, a dubious question; a dubious light.

Of uncertain event or issue: as, a dubious undertaking.

Liable to doubt or suspicion; of doubtful quality or propriety; questionable: as, a man of dubious character; a dubious transaction; his morals or his methods are dubious. Synonyms Unsettled, undetermined.

Doubtful, Ambiguous, etc. (see obscure, a.); questionable, problematical, puzzling.

adjective. Doubtful or not settled in opinion; being in doubt; wavering or fluctuating; undetermined.

adjective. Occasioning doubt; not clear, or obvious; equivocal; questionable; doubtful.

adjective. Of uncertain event or issue.

adjective. Arousing doubt; questionable; open to suspicion.

adjective. In disbelief; wavering, uncertain, or hesitating in opinion; inclined to doubt; undecided.

adjective. open to doubt or suspicion

adjective. fraught with uncertainty or doubt

adjective. not convinced