What is Another word for at work?

Here are some alternatives to "at work," depending on the context:

Formal:

* On duty

* In the office

* Performing job responsibilities

* Engaged in professional activities

* Working (This is a bit more general)

Informal:

* On the job

* At the grind

* Clocking in

* Putting in hours

* Busting my hump (more slangy)

More specific:

* On site (if referring to a physical location)

* Remotely (if working from home)

* In the field (if referring to a specific profession)

The best alternative depends on the specific situation and the desired tone.