fill-in
noun/ˈfɪl ɪn/
/ˈfɪl ɪn/
- a person who does somebody’s job, or a thing that is used instead of another thing, for a short time when they are not available
- There were a number of fill-ins while the host of the show was on holiday.
- a fill-in tour guide
- They opened a takeaway service as a fill-in while the restaurant was being redesigned.
Check pronunciation:
fill-in