yellow peril yellow perch • yellow pimpernel · · · Info · Definitions · Characters · · yellow peril · · Text Common · · Latin · · Scripts 12 · · Length 4 · · Syllables Definitions · · · (noun) the threat to Western civilization said to arise from the power of Asiatic peoples. Synonyms: yellow peril. · · Noun Definition 1 Characters · · space U+0020 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 w latin small letter w U+0077 y latin small letter y U+0079