Dictionary 1. (v. i.) Capable of being disputed; liable to be called in question, controverted, or contested; or doubtful certainty or propriety; controvertible; as, disputable opinions, propositions, points, or questions.2. (v. i.) Disputatious; contentious. Thesaurus arguable at issue confutable conjectural contestable controversial controvertible debatable deniable doubtable doubtful dubious dubitable iffy in dispute in doubt in dubio in question mistakable moot open to doubt open to question problematic questionable refutable speculative suppositional suspect suspicious uncertain undecided unsettled |