say it: GUH-stuh-vuhs
gustavus is a noun meaning "the last king of Sweden to have any real political power (1882-1973)". It carries 6 recorded senses.
the last king of Sweden to have any real political power (1882-1973)
king of Sweden who kept Sweden neutral during both World War I and II (1858-1950)
king of Sweden whose losses to Napoleon I led to his being deposed in 1809 (1778-1837)
king of Sweden who increased the royal power and waged an unpopular war against Russia (1746-1792)
king of Sweden whose victories in battle made Sweden a European power; his domestic reforms made Sweden a modern state; in 1630 he intervened on the Protestant side of the Thirty Years' War and was killed in the battle of Lutzen (1594-1632)
king of Sweden who established Lutheranism as the state religion (1496-1560)
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for gustavus come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.