Akademik

problematic
adj. (also problematical)
1 attended by difficulty.
2 doubtful or questionable.
3 Logic enunciating or supporting what is possible but not necessarily true.
Derivatives:
problematically adv.
Etymology: F probleacutematique or LL problematicus f. Gk problematikos (as PROBLEM)

Useful english dictionary. 2012.