superficial

hasty and without attention to detail; not thorough

“In his paper, he showed a very superficial understanding of psychoanalytic theory”

of little substance or significance

“a few superficial editorial changes”

concerned with or comprehending only what is apparent or obvious; not deep or penetrating emotionally or intellectually

“superficial similarities”

occurring on or near the surface of the skin

“superficial burns”

of, affecting, or being on or near the surface

“superficial measurements”