Saint Vincent and the GrenadinesSaint Vincent and the Gren·a·dines (gr?n??-d?nz?) An island country in the central Windward Islands of the West Indies. It comprises St. Vincent Island and the northern islets of the Grenadines. Part of the West Indies Federation from 1958 to 1962, the country gained self-governing status in 1969 and full independence in 1979. Kingstown, on St. Vincent, is the capital.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.Saint Vincent and the Grenadines n (Placename) an island state in the Caribbean, in the Windward Islands of the Lesser Antilles: comprises the island of St Vincent and the Northern Grenadines; formerly a British associated state (1969?79); gained full independence in 1979 as a member of the Commonwealth. Official language: English. Religion: Protestant majority. Currency: Caribbean dollar. Capital: Kingstown. Pop: 103 220 (2013 est). Area: 389 sq km (150 sq miles) Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014