encyclical letter encyclical • encyclopaedia · · · Info · Definitions · Synonyms · Characters · · encyclical letter · · Text Common · · Latin · · Scripts 17 · · Length 6 · · Syllables Definitions · · · (noun) a letter from the pope sent to all Roman Catholic bishops throughout the world. Synonyms: encyclical, encyclical letter. · · Noun Definition 1 Synonyms · · · encyclical · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E r latin small letter r U+0072 t latin small letter t U+0074 y latin small letter y U+0079