major key majorize • major league · · · Info · Definitions · Synonyms · Characters · · major key · · Text Common · · Latin · · Scripts 9 · · Length 4 · · Syllables Definitions · · · (noun) a key whose harmony is based on the major scale. Synonyms: major key, major mode. · · Noun Definition 1 Synonyms · · · major mode · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 j latin small letter j U+006A k latin small letter k U+006B m latin small letter m U+006D o latin small letter o U+006F r latin small letter r U+0072 y latin small letter y U+0079