insularize

[ in-suh-luh-rahyz, ins-yuh- ]
/ ˈɪn sə ləˌraɪz, ˈɪns yə- /

verb (used with object), in·su·lar·ized, in·su·lar·iz·ing.

to make into an island or represent as insular.
Also especially British, in·su·lar·ise.

Origin of insularize

First recorded in 1890–95; insular + -ize
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019