outer

/ˈaʊtər/
noun
  1. A part or area that is on the outside or farthest from the center.
    • In archery, hitting the outer of the target still earns some points.
    • The target's outer is worth fewer points than the bullseye.
    • He hit the outer of the dartboard with his throw.
adjective
  1. Located on the outside or farther from the center.
    • We explored the outer edges of the forest before heading back.
    • The outer planets of our solar system are much colder than the inner ones.
    • The outer layer of the cake is covered in chocolate frosting.
  2. Relating to the external or visible part of something, as opposed to the inner or hidden part.
    • The outer walls of the castle were built to withstand attacks.
    • She showed a calm outer appearance despite being nervous inside.
    • The outer shell of the turtle protects its soft body.
Antonyms
What does "outer" mean? | whatsthatwordmean | whatsthatwordmean