From Longman Dictionary of Contemporary Englishunbridgeableun‧bridge‧a‧ble /ʌnˈbrɪdʒəbəl/ adjective unbridgeable differences between two people, groups, or ideas are so big that no one will ever agree about them or be satisfied with themunbridgeable gulf/gap/chasm etc (between somebody/something and somebody/something) the unbridgeable gulf between the rich and the poor
Examples from the Corpus
unbridgeable• And the gap which separated them from the bourgeois world was wide - and unbridgeable.• For an impecunious woman of twenty-nine, the gulf was unbridgeable.• The distance between them, he wrote, is not so much great as unbridgeable.• The story of Ruth illuminates for me the unbridgeable difference, rather than the similarity, between her situation and mine.• Looking to the past, she seeks to illuminate the present, believing there to be no unbridgeable gap between the two.• It was an almost unbridgeable gulf.• He drew an unbridgeable line between this élite and rank-and-file workers.• Fundamental to Frege's whole approach is the assumption that there exists an unbridgeable logical gulf between concepts and objects. 