| 1. | outer; being on the outer side: the exterior surface; exterior decorations. |
| 2. | intended or suitable for outdoor use: exterior paint. |
| 3. | situated or being outside; pertaining to or connected with what is outside: the exterior territories of a country. |
| 4. | the outer surface or part; outside. |
| 5. | outward form or appearance: She has a placid exterior, but inside she is tormented. |
| 6. | Mathematics. the collection of points not contained in the closure of a given set. |