outer
adj. B2 Upper Intermediate Oxford US //ˈaʊtɝ// UK //ˈaʊtɐ// out·er General-service
adj. located on the outside of something or further away from the center. You use this to describe the layer or part that faces the world.
adj. situated on or relating to the outside; further from the center or the interior. Typically used to distinguish a surface or boundary from an inner core.
You should wear an outer layer to stay dry in the rain.
The spacecraft's outer shell is designed to withstand extreme heat during its return to the atmosphere.
While the inner workings of the organization remain a mystery to the public, its outer appearance suggests a commitment to transparency and modern efficiency.
Usage
Typically placed before the noun it modifies; often functions as a non-gradable adjective.