'insularism' definitions:

Definition of 'insularism'

From: WordNet
noun
The state of being isolated or detached; "the insulation of England was preserved by the English Channel" [syn: insulation, insularity, insularism, detachment]

Definition of 'insularism'

From: GCIDE
  • insularism \insularism\ n. the state of being insulated.
  • Syn: insulation, insularity, detachment. [WordNet 1.5]