A native or inhabitant of the Ryukyu Islands. Later also: the language spoken in the Ryukyu Islands, or any of its dialects; = "Ryukyu".
Ryukyuan is closely related to Japanese and some scholars regard it as a variety of Japanese, not a separate language.
Of or relating to the Ryukyu Islands, its inhabitants, or their language.
Late 19th century; earliest use found in William Griffis (1843–1928). From the name of Ryukyu + -an.