
In progress
Current Action
Use 'in progress' to indicate that an action is currently happening and is not yet complete.

The meeting is in progress, so please wait outside.
Unavailability
'In progress' implies that someone or something is not available because they are busy with an ongoing task.

The bathroom is unavailable; cleaning is in progress.
No Interruption
Use this phrase to politely tell people not to interrupt or to inform them that a delay is due to ongoing work.

Your call is important, but all lines are in progress.
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