Insular
/ˈɪnsələr/
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Definition
(adj) Of or being, pertaining to, situated on, or resembling an island or islands.
Sentence Examples
Never travelling leads to an insular worldview.
The fact that no one ever moves in makes the community more and more insular.
CEFR Practice Quiz
The small village had a very ____ community that was often quite suspicious of any new outsiders.