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insular

[in-suh-ler, ins-yuh-]
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adjective
  1. of or relating to an island or islands: insular possessions.
  2. dwelling or situated on an island.
  3. forming an island: insular rocks.
  4. detached; standing alone; isolated.
  5. of, relating to, or characteristic of islanders.
  6. narrow-minded or illiberal; provincial: insular attitudes toward foreigners.
  7. Pathology. occurring in or characterized by one or more isolated spots, patches, or the like.
  8. Anatomy. pertaining to an island of cells or tissue, as the islets of Langerhans.
noun
  1. an inhabitant of an island; islander.

Origin of insular

From the Late Latin word insulāris, dating back to 1605–15. See insula, -ar1
Related formsin·su·lar·ism, nounin·su·lar·i·ty, nounin·su·lar·ly, adverbin·ter·in·su·lar, adjectivetrans·in·su·lar, adjectiveun·in·su·lar, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for insularly

insular

adjective
  1. of, relating to, or resembling an island
  2. remote, detached, or aloof
  3. illiberal or narrow-minded
  4. isolated or separated
Derived Formsinsularism or insularity (ˌɪnsjʊˈlærɪtɪ), nouninsularly, adverb

Word Origin

C17: from Late Latin insulāris, from Latin insula island, isle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for insularly

insular

adj.

1610s, "of or pertaining to an island," from Late Latin insularis, from Latin insula "island" (see isle). Metaphoric sense "narrow, prejudiced" is 1775, from notion of being cut off from intercourse with other nations, especially with reference to the situation of Great Britain. Earlier adjective in the literal sense was insulan (mid-15c.), from Latin insulanus.

Online Etymology Dictionary, © 2010 Douglas Harper

insularly in Medicine

insular

(ĭnsə-lər, ĭnsyə-)
adj.
  1. Of or being an isolated tissue or island of tissue.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.