outward appearance; exterior; looks
Refers to the external look of a person, object, or building, often in contrast to inner qualities or substance.
This building has a very beautiful exterior.
You shouldn't judge people by their outward appearance alone.
The building is old, but it's regularly restored to maintain its exterior appearance.
The graffiti is spoiling the building's appearance.
You can't tell the internal condition just from the exterior appearance.
We check the product's exterior appearance before shipping.
These two products look similar, but their performance is completely different.