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Use "problematical" in a sentence
"Especially problematical is the fact that what is considered fraudulent is mainly"
"But in this sense the conception of a noumenon is problematical, that is to say, it is the notion of that it that it is possible, nor that it is impossible, inasmuch as we do not know of any mode of intuition besides the sensuous, or of any other sort of conceptions than the categories -- a mode of intuition and a kind of conception neither of which is applicable to a non-sensuous object."
"Based on available information online, the next few episodes are a bit "problematical" and viewers will have to wait and see if this formerly "hot" series can right itself, before it completely falls apart."