- The definition of an isle is an island, particularly a small one.
An example of an isle is one of the tiny islands in the island nation of the Philippine Islands.
A beautiful tropical isle.
isle definition by Webster's New World
Origin: Middle English ile ; from Old French ile, earlier isle ; from Midieval Latin isla, contr. ; from Classical Latin insula ; from uncertain or unknown; perhaps (terra) in salo, (land) in the sea ; from salum, sea: the form isle became general in the Renaissance, influenced, influence by Classical Latin insula
isle definition by American Heritage Dictionary
noun Abbr. I.
Origin: Middle English ile, from Old French isle, from Vulgar Latin *īsula, from Latin īnsula.