Definition of islanded:
(n) :
A contiguous area of land, smaller than a continent, totally surrounded by water.
(n) :
(by extension, in place names) A contiguous area of land, smaller than a continent, partially surrounded by water; a peninsula; a half-island.
(n) :
An entity surrounded by other entities that are very different from itself.
(v) :
(transitive) To surround with water; make into an island.
(v) :
(transitive) To isolate.
(n) :
A traffic island.