A day job, especially at a large company, emphasizing banality.
The workday itself (the period of the day between 9 am and 5 pm).
One who works in a job from 9 am to 5pm.
Other Word Forms of 9-to-5
Plural:9 to 5s
Origin of 9-to-5
From the common western business hours of 9:00 am to 5:00 pm.