Definition of "desert island" [desert island]

• An uninhabited island, especially one in the tropics (noun)

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• "If you've read Robinson Crusoe you may recall a passage where he weighs up his plight on the desert island like a book-keeper, evil on one side, good on t'other."
• "In the intervals of wringing out hot flannels for her quinsy she would amuse herself by devising a desert island expedition, on a larger and possibly a damper scale than hitherto, against the time when she should be out again."
• "As soon as the winds shifted from west to east, Nearchus weighed anchor and sailed along the coast to a desert island called Domai, where his men searched in vain for water."