Usage patterns
間に合わせの〈物〉a makeshift ~ (used until something proper is available)
I used the broken pole as a makeshift support.
〈物〉を間に合わせに使うto use something as a stopgap
Since I was in a hurry, I used an old towel as a stopgap.
間に合わせで済ませるto get by with a makeshift solution
For today, I decided to just get by with a makeshift fix.
Expressions
間に合わせるmake do with; manage with; get by with · get done in time; have ready by; finish in time for