1. of or relating to a weekday, especially in the Christian calendar (as opposed to a Sunday or holy day)
Usage: ecclesiastical; formal

Examples

• The ferial office is recited on ordinary weekdays in the liturgical calendar.
• Ferial masses are simpler than those celebrated on feast days.
• The priest followed the ferial readings for Tuesday.
• In the ferial tradition, certain prayers are omitted during regular weekdays.
• The monastery maintains distinct ferial and festive practices.