Arousing doubt; questionable; open to suspicion.
In disbelief; wavering, uncertain, or hesitating in opinion; inclined to doubt; undecided.
Generally considered imprecise or wrong, but not totally unplayable.
Cautious of danger; carefully watching and guarding against deception, trickery, and dangers; suspiciously prudent
Characterized by caution; guarded; careful; on one's guard
thrifty, provident