insular (adj.)
- alien
- alienated
- alone
- aloof
- apart
- archipelagic
- asunder
- authoritarian
- bigoted
- bipartite
- borne
- circumscribed
- closed
- confined
- constricted
- cramped
- deaf
- detached
- dichotomous
- disconnected
- discontinuous
- discrete
- disjunct
- distinct
- divergent
- ethnocentric
- exceptional
- exclusive
- exotic
- extraneous
- fanatical
- foreign
- friendless
- hidebound
- homeless
- illiberal
- inadmissible
- incoherent
- incommensurable
- incomparable
- independent
- isolated
- limited
- little
- local
- localized
- lone
- lonely
- lonesome
- mean
- narrow
- narrow-minded
- nearsighted
- other
- out-of-the-way
- outlandish
- parochial
- partitioned
- petty
- preclusive
- prescriptive
- preventive
- prohibitive
- provincial
- purblind
- quarantined
- regional
- remote
- removed
- restricted
- restrictive
- retired
- rootless
- seagirt
- secluded
- sectarian
- sectional
- segregated
- select
- selective
- separate
- separated
- separative
- shortsighted
- single-handed
- small
- small-minded
- snobbish
- solitary
- solo
- straitlaced
- strange
- stuffy
- topical
- unaccompanied
- unaffiliated
- unaided
- unassisted
- unattached
- unattended
- uncharitable
- unconnected
- unfrequented
- ungenerous
- unrelated
- unsupported
- vernacular
- withdrawn
- xenophobic