debatable

Synonyms: arguable between rock and hard place between sixes and sevens betwixt and between bone of contention borderline chancy contestable disputable doubtful dubious iffy in dispute moot mootable open to question problematic problematical questionable the jury’s out touch and go uncertain undecided unsettled up for discussion

Antonyms: certain inarguable incontrovertible indubious questionable sure uncontestable undoubted