Definition of off-islander in US English:

off-islander

noun

  • 1North American. A visitor or temporary resident on an island; originally specifically a visitor to the island of Nantucket.

  • 2Isles of Scilly. An inhabitant of an island of the Isles of Scilly other than the main island, St Mary's.

Origin

Late 19th century; earliest use found in The Atlantic Monthly. From off- + islander.

Pronunciation

off-islander

/ɒfˈʌɪləndə/