martin luther king day martin luther king • martin luther king jr. · · · Info · Definitions · Characters · · martin luther king day · · Text Common · · Latin · · Scripts 22 · · Length 6 · · Syllables Definitions · · · (noun) observed on the Monday closest to January 15. Synonyms: Martin Luther King Jr's Birthday, Martin Luther King Day. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 k latin small letter k U+006B l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075 y latin small letter y U+0079