yellow fever yellow-feathered • yellow-fever · · · Info · Definitions · Synonyms · Characters · · yellow fever · · Text Common · · Latin · · Scripts 12 · · Length 4 · · Syllables Definitions · · · (noun) caused by a flavivirus transmitted by a mosquito. Synonyms: yellow jack, yellow fever, black vomit. · · Noun Definition 1 Synonyms · · · yellow jack · · Synonym 1 black vomit · · Synonym 2 Characters · · space U+0020 e latin small letter e U+0065 f latin small letter f U+0066 l latin small letter l U+006C o latin small letter o U+006F r latin small letter r U+0072 v latin small letter v U+0076 w latin small letter w U+0077 y latin small letter y U+0079