Something used temporarily or reluctantly when other means are not available
The new king was, at best, a useful stopgap, in no way likely to interfere with the liberal revolution which had placed him on the throne.
Is the upgrade a temporary stopgap or a permanent solution, this obviously influences how much it is worth spending.
stopgap measures, the BRC was unable to develop to meet the changing requirements of its users.
stopgap solution to long-term care.
stopgap domain, you get no DNS zone, and you cannot use e-mail service.