Indicates something is not special or remarkable, just typical of what you'd expect daily. His workaday commute involved the same old train ride every morning.
Pro Tip 2/3
Routine Tasks
Emphasizes the mundane aspect of activities or tasks that are done regularly. She found herself caught up in the workaday tasks of filing and data entry.
Pro Tip 3/3
Everyday Language
It's used in casual conversation, not typically in formal settings or documents. They chatted about workaday matters while waiting for the meeting to start.