superficial

Short definition from Wiktionary

Adjective

1. 1
   Existing, occurring, or located on the surface.
2. 2
   Existing, occurring, or located on the surface: Closer to the surface of the body; especially, situated or occurring on the skin or immediately beneath it.
3. 3
   Appearing to be true or real only until examined more closely.
4. 4
   Not thorough, deep, or complete; concerned only with the obvious or apparent.
5. 5
   Not thorough, deep, or complete; concerned only with the obvious or apparent: Lacking depth of character or understanding; lacking substance or significance.
6. 6
   Two-dimensional; drawn on a flat surface.
7. 7
   Denoting a quantity of a material expressed in terms of area covered rather than linear dimension or volume.

Noun

1. 1
   A surface detail.