Totum duplex is the highest rank for an ecclesiastical feast in the Dominican breviary. Other ranks are Duplex, Semiduplex and Simplex.

Respective highest ranks in other breviaries are:

Roman: Festum duplex Cistercian: Festum sermonis majus Carmelite: Duplex majus

See also Glossary of the Catholic Church

References Ecclesiastical Feasts by the Catholic Encyclopedia