Insularity

1. (n.) The state or quality of being an island or consisting of islands; insulation.

2. (n.) Narrowness or illiberality of opinion; prejudice; exclusiveness; as, the insularity of the Chinese or of the aristocracy.

Thesaurus Entries

Jim Crow, ait, alien, apartheid, archipelago, atoll, authoritarianism, bar, bigotry, blind side, blind spot, blinders, cay, closed mind, color bar, continental island, coral head, coral island, coral reef, cramped ideas, division, ethnocentrism, exclusiveness, fanaticism, foreigner, hideboundness, holm, illiberality, insularism, insulation, island, island group, islandology, isle, islet, isolation, key, know-nothingism, little-mindedness, littleness, mean mind, meanness, narrow sympathies, narrow views, narrow-mindedness, narrowness, nearsightedness, oceanic island, odium theologicum, out-group, outcast, outsider, parochialism, persona non grata, pettiness, petty mind, provincialism, purblindness, quarantine, race hatred, racial segregation, reef, sandbank, sandbar, seclusion, segregation, separation, shortsightedness, shut mind, smallness, snobbishness, straitlacedness, stranger, stuffiness, tightness, uncatholicity, xenophobia