List of deniable synonyms and deniable related words.
arguable, at issue, confutable, conjectural, contestable, controversial, controvertible, debatable, disputable, 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