blue law blue joke • blue-leaved · · · Info · Definitions · Characters · · blue law · · Text Common · · Latin · · Scripts 8 · · Length 2 · · Syllables Definitions · · · (noun) a statute regulating work on Sundays. Synonyms: blue law. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 l latin small letter l U+006C u latin small letter u U+0075 w latin small letter w U+0077