isolated (adj.)
- abandoned
- alien
- alienated
- alone
- aloof
- anomalous
- anonymous
- apart
- archipelagic
- calm
- cloistered
- cool
- deserted
- detached
- disconnected
- discrete
- disjoined
- disjoint
- disjointed
- disjunct
- dislocated
- dispersed
- disunited
- divided
- divorced
- dwindling
- estranged
- exceptional
- exotic
- extraneous
- foreign
- forlorn
- forsaken
- friendless
- halcyon
- hermitical
- hidden
- homeless
- hushed
- impassive
- incognito
- incommensurable
- incomparable
- independent
- individual
- inmost
- innermost
- insular
- interior
- intimate
- inward
- lone
- lonely
- lonesome
- moldering
- monastic
- other
- out-of-the-way
- outlandish
- pacific
- particular
- peaceable
- peaceful
- personal
- placid
- private
- privy
- quarantined
- quiescent
- quiet
- remote
- removed
- reposeful
- restful
- resting
- retired
- rootless
- scattered
- seagirt
- secluded
- secret
- segregated
- separate
- separated
- sequestered
- sheltered
- single
- single-handed
- singular
- smooth
- solitary
- solo
- special
- still
- stilly
- stoic
- stolid
- stranded
- strange
- tranquil
- unaccompanied
- unaffiliated
- unagitated
- unaided
- unassisted
- unattended
- unconnected
- undisturbed
- unfrequented
- unique
- unmoved
- unperturbed
- unrelated
- unruffled
- unsupported
- untroubled
- waning
- withdrawn