chiliast chiliasm • chiliastic · · · Info · Definitions · Synonyms · Characters · · chiliast · · Text Latin · · Script 8 · · Length Definitions · · · (noun) a person who believes in the coming of the millennium (a time of great peace and prosperity). Synonyms: millenarian, millenarist. · · Noun Definition 1 Synonyms · · · millenarian · · Synonym 1 millenarist · · Synonym 2 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 s latin small letter s U+0073 t latin small letter t U+0074