external
Definitions
Belonging to or forming the outer surface or structure of something.
Coming or derived from a source outside the subject or system.
Relating to or connected with foreign countries.
Examples
The building's external walls were painted a bright shade of blue.
External factors beyond our control caused the delay in the project.
You should apply the ointment only for external use.
Synonyms
outer outside exterior outward superficial extrinsic surface