- The definition of stopgap is used as a substitute.
An example of stopgap used as an adjective is in the phrase "stopgap gas supply," which means a temporary gas supply.
- Stopgap means a temporary substitute.
An example of a stopgap is a person teaching a class for a few weeks while the regular teacher is absent.
- 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.