chiliasm chiliarchy • chiliast · · · Info · Definitions · Synonyms · Characters · · chiliasm · · Text Latin · · Script 8 · · Length Definitions · · · (noun) belief in the Christian doctrine of the millennium mentioned in the Book of Revelations. Synonyms: millenarianism, millenarism, millenniumism. · · Noun Definition 1 Synonyms · · · millenarianism · · Synonym 1 millenarism · · Synonym 2 millenniumism · · Synonym 3 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D s latin small letter s U+0073