1. the outer surface or outside part of something
2. the outward appearance or manner of a person

Examples

• The exteriors of the old buildings were painted bright colors.
• Despite her calm exterior, she was nervous about the presentation.
• The car's exterior was scratched and dented after the accident.
• The museum's exteriors feature classical stone columns.
• He maintained a professional exterior even during stressful meetings.
• The exteriors of the houses on the street were well-maintained.