negotiable

1 capable of being traveled on some of the national park's roads are not negotiable in winter Synonyms navigable, passableRelated Words clear, cleared, free, open, unclogged, unclosed, unobstructed, unstoppedNear Antonyms blocked, choked, clogged, closed, congested, dammed, jammed, obstructed, plugged (up), stopped (up), stuffed; barricaded, blockadedAntonyms impassable (also impassible), unnegotiable, unpassable

2 open to question or dispute the final judgment is not negotiable Synonyms arguable, controvertible, disputable, doubtable, doubtful, issuable, moot, debatable, questionableRelated Words contradictable, refutable; controversial, debated, disputed; dubious, iffy, inconclusive, indecisive, problematic (also problematical), shaky, uncertain; academic (also academical), hypothetical, speculative, theoretical (also theoretic); ambiguous, equivocalNear Antonyms irrefutable; definite; unambiguous, unequivocal; absolute, clear, conclusive, decisive; uncontested, undisputedAntonyms accomplished, certain, hands-down, inarguable, incontestable, incontrovertible, indisputable, indubitable, irrefragable, positive, questionless, settled, sure, unanswerable, unarguable, unchallengeable, undebatable, undeniable, unquestionable