blue flag bluefish • blue fleabane · · · Info · Definitions · Synonyms · Characters · · blue flag · · Text Common · · Latin · · Scripts 9 · · Length 2 · · Syllables Definitions · · · (noun) a common iris of the eastern United States having blue or blue-violet flowers; root formerly used medicinally. Synonyms: blue flag, Iris versicolor. · · Noun Definition 1 Synonyms · · · iris versicolor · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 f latin small letter f U+0066 g latin small letter g U+0067 l latin small letter l U+006C u latin small letter u U+0075