yellow jack yellowish-white • yellow jacket · · · Info · Definitions · Synonyms · Characters · · yellow jack · · Text Common · · Latin · · Scripts 11 · · Length Definitions · · · (noun) caused by a flavivirus transmitted by a mosquito. Synonyms: yellow fever, black vomit. · · Noun Definition 1 (noun) yellow flag hoist on a ship in quarantine. · · Noun Definition 2 (noun) fish of western Atlantic and Gulf of Mexico. Synonyms: Caranx bartholomaei. · · Noun Definition 3 Synonyms · · · yellow · · Synonym 1 yellowness · · Synonym 2 yellowish · · Synonym 3 xanthous · · Synonym 4 chicken · · Synonym 5 chickenhearted · · Synonym 6 lily-livered · · Synonym 7 white-livered · · Synonym 8 yellow-bellied · · Synonym 9 yellowed · · Synonym 10 scandalmongering · · Synonym 11 sensationalistic · · Synonym 12 jaundiced · · Synonym 13 icteric · · Synonym 14 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 j latin small letter j U+006A k latin small letter k U+006B l latin small letter l U+006C o latin small letter o U+006F w latin small letter w U+0077 y latin small letter y U+0079