(informal, especially British English) (of a machine) to stop working The TV's packed up again.
- 1 to put your possessions into a bag, etc. before leaving a place Are you packing up already? It's only 4 o'clock. We arrived just as the musicians were packing up their instruments.
- 2(British English, informal) to stop doing something, especially a job synonym give up What made you pack up a good job like that? see also pack