insularityPronunciation: /ˌɪnsjʊˈlarɪti/Definition of insularity noun [mass noun] 1ignorance of or lack of interest in cultures, ideas, or peoples outside one’s own experience:an example of British insularity lack of contact with other people:the stifling insularity of the children’s existence 2the state or condition of being an island: he proved the insularity of Van Diemen’s Land by circumnavigating it in 1798insularity in other Oxford dictionaries Definition of insularity in the US English dictionary