problematic
Cross references: 1. doubtful prob.lem.at.ic \.pra:b-l*-'mat-ik\ \-i-k*l\ \-k(*-)le-\ aj 1a: difficult to solve or decide : PUZZLING 1b: not definite : DUBIOUS 1c: open to question or debate : QUESTIONABLE 2: expressing or supporting a possibility - prob.lem.at.i.cal aj