Problematic
Pronunciation : Prob`lem*at"ic, Prob`lem*at"ic*al
Part of Speech : a.
Etymology : [L. problematicus, Gr. probl?matique.]
Definition : Defn: Having the nature of a problem; not shown in fact; questionable; uncertain; unsettled; doubtful. -- Prob`lem*at"ic*al*ly, adv. Diligent inquiries into remote and problematical guilt leave a gate wide open to . . . informers. Swift.
Source : Webster's Unabridged Dictionary, 1913