adj. Not settled in opinion; undetermined; wavering; hesitating in belief; also used, metaphorically, of the body when its action is affected by such a state of mind.adj. Admitting of doubt; not obvious, clear, or certain; questionable; not decided; not easy to be defined, classed, or named.adj. Characterized by ambiguity; dubiousadj. Of uncertain issue or event.adj. Fearful; apprehensive; suspicious.