Englishdebatable
adjective
the extent to which personality is inherited is debatable:
arguable, disputable, questionable, open to question, open to debate, subject to debate, controversial, contentious, doubtful, open to doubt, in doubt, dubious, uncertain, unsure, unclear, vague, borderline, inconclusive, moot, unsettled, unresolved, unconfirmed, undetermined, undecided, unknown, up in the air, not yet established;
problematical, puzzling, perplexing, riddling;
a controversial subject, a live issue, a moot point, a matter of opinion;
informal iffy, on the back burner, on ice;
rare controvertible, unestablished.
▷antonyms indisputable.