Synonyms for eu Found 9 synonyms across 2 meanings for “eu”. a bivalent and trivalent metallic element of the rare earth group (noun) europium an international organization of European countries formed after World War II to reduce trade barriers and increase cooperation among its members (noun) eceeceurope Explore Related Words Rhymes with euSynonyms for europiumSynonyms for ecSynonyms for eecSynonyms for europe Synonym Finder | Rhyme Finder | Poetry Editor