1. (a.) Of or pertaining to an island or isolation; as, an insular climate; insular opinions\.

2. (a.) of or pertaining to the people of an island; narrow; circumscribed; illiberal; contracted; as, insular habits, opinions, or prejudices.

3. (n.) An islander.

alien alienated alone aloof apart archipelagian archipelagic asunder authoritarian bigot bigoted bipartite borne circumscribed closed companionless confined constricted cramped creedbound deaf deaf to reason detached dichotomous disconnected discontinuous discrete disjunct disrelated dissociated distinct divergent ethnocentric exceptional excluding exclusive exclusory exotic extraneous fanatical foreign friendless geographically limited hidebound homeless illiberal in a backwater in two inadmissible incoherent incommensurable incomparable independent insulated irrelative island island-dotted island-dweller islanded islander islandish islandlike islandman islandologist islandy islesman isleted isolated kithless limited little little-minded local localized lone lonely lonesome mean mean-minded mean-spirited narrow narrow-hearted narrow-minded narrow-souled narrow-spirited nearsighted noncohesive of a place other out-of-the-way out-of-the-world outlandish parochial partitioned petty preclusive prescriptive preventive prohibitive provincial purblind quarantined regional remote removed restricted restrictive retired rootless seagirt secluded seclusive sectarian sectional segregate segregated segregative select selective separate separated separative shortsighted shut off single-handed small small-minded small-town snobbish solitary solo straitlaced strange stuffy topical unabetted unaccompanied unaffiliated unaided unallied unassisted unassociated unattached unattended uncatholic uncharitable unconnected unescorted unfrequented ungenerous unjoined unliberal unrelatable unrelated unseconded unsupported unvisited vernacular withdrawn xenophobic