Synonyms of problematic

1 Syllable

moot

2 Syllables

puzzling, hi-tech, gasser, dubious, open, upstream, chancy, trickiest, vaguest, hard-won, chancier, tricky, trickier, iffy, doubtful, fishy, suspect, mooter, vaguer, muzzier, muzzy

3 Syllables

stochastic, unsure, unsettled, difficult, arguable, unproven, untrusty, doubtable, precarious, ambiguous, uncertain

4 Syllables

infestive, implausible, questionable, enigmatic, difficile, borderline, debatable, troublesome, complicated, equivocal, disputable, dubitable, unconfirmed, contestable, impugnable, refutable, unsupported

5 Syllables

hypothetical, unconceivable, controvertible, problematical, indecisive