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a. Of, relating to, or constituting an island.
b. Living or located on an island.
a. Suggestive of the isolated life of an island: "He is an exceedingly insular man, so deeply private as to seem inaccessible to the scrutiny of a novelist" (Leonard Michaels).
b. Circumscribed and detached in outlook and experience; narrow or provincial.
3. Anatomy Of or relating to isolated tissue or an island of tissue.
[French insulaire, from Late Latin īnsulāris, from Latin īnsula, island.]
in′su·lar·ism, in′su·lar′i·ty (-lăr′ĭ-tē) n.
the state of being narrow-minded.See also: Thinking