Synonyms for usa Found 11 synonyms across 2 meanings for “usa”. North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean (noun) americausu.s.u.s.a. the army of the United States of America (noun) army Explore Related Words Rhymes with usaSynonyms for americaSynonyms for usSynonyms for u.s.Synonyms for u.s.a.Synonyms for army Synonym Finder | Rhyme Finder | Poetry Editor