superficial

concerned with or comprehending only what is apparent or obvious; not deep or penetrating emotionally or intellectually; "superficial similarities"; "a superficial mind"; "his thinking was superficial and fuzzy"; "superficial knowledge"; "the superficial report didn't give the true picture"; "only superficial differences"

of, affecting, or being on or near the surface; "superficial measurements"; "the superficial area of the wall"; "a superficial wound"

of little substance or significance; "a few superficial editorial changes"; "only trivial objections"