Definition of: insular

(in′sə·lər) adjective
1. Of or pertaining to, like, living on or characteristic of an island.
2. Standing alone; isolated.
3. Biol. Having an island as its habitat.
4. Of or pertaining to people inhabiting an island or otherwise isolated, or to their customs, opinions, etc.
5. Not broad, liberal, nor cosmopolitan; narrow: insular ideas or prejudices.
6. Med. a Breaking out or appearing sporadically in spots, as a rash on the body, b Characterized by spots appearing singly here and there.
7. Anat. Pertaining to an insula or to the islands of Langerhans in the pancreas. [<L insularis <insula island]