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Gus·taf V(go͝os′täf′) also Gus·tav V (-täv′) 1858-1950.
King of Sweden (1907-1950). A constitutional monarch, he kept Sweden neutral in World War I and World War II.
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.