- workday, working day, work day - a day on which work is done
--1 is a kind of weekday
Antonyms: rest day, day of rest
- workday, working day - the amount of time that a worker must work for an agreed daily wage; "they work an 8-hour day"
--2 is a kind of day
--2 has parts:man hour, person hour; shift, work shift, duty period