Definition of insular
- insular residents
the insular world of boarding schools
an insular community that is not receptive of new ideas, especially from outsiders
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'insular.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: separated from other people or cultures : not knowing or interested in new or different ideas
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