dubious in Polish
dubious in Polish
wątpliwy
(of a statement, matter, or thing) Arousing doubt; questionable; open to suspicion.
niepewny
(of a person) In disbelief; wavering, uncertain, or hesitating in opinion; inclined to doubt; undecided.
nieprzekonany
(of a person) In disbelief; wavering, uncertain, or hesitating in opinion; inclined to doubt; undecided.