Callysta \c(a)-llys-ta, call(y)-sta\ as a girl's name is a variant of Calista (Latin, Greek), and the meaning of Callysta is "cup; fairest, most beautiful".
The baby name Callysta sounds like Kallysta, Calysta, Callista and Callesta. Other similar baby names are Kalysta, Kallista, Kallesta, Calyssa, Calesta and Carlista.