| Island 1. (n.) A tract of land surrounded by water, and smaller than a continent. Cf. Continent. 2. (n.) Anything regarded as resembling an island; as, an island of ice. 3. (n.) See Isle. 4. (v. t.) To cause to become or to resemble an island; to make an island or islands of; to isle. 5. (v. t.) To furnish with an island or with islands; as, to island the deep. Thesaurus Entries aerodrome, air base, airdrome, airfield, airport, ait, archipelagian, archipelagic, archipelago, atoll, bar, cay, close off, continental island, coral head, coral island, coral reef, cut off, enisle, field, heliport, holm, insular, insularity, insulate, insulated, island group, island-dotted, islanded, islandish, islandlike, islandology, islandy, isle, islet, isleted, isolated, key, landing, landing field, oceanic island, port, reef, sandbank, sandbar, seagirt, segregate, separate, sequester |