casuist casuary • casuistess · · · Info · Definitions · Synonyms · Characters · · casuist · · Text Latin · · Script 7 · · Length Definitions · · · (noun) someone whose reasoning is subtle and often specious. Synonyms: sophist. · · Noun Definition 1 Synonyms · · · sophist · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 i latin small letter i U+0069 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075