Dictionary.net

involving a surface only; "her beauty is only skin-deep"; "superficial bruising"; "a surface wound"

being or affecting or concerned with a surface; 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 little substance or significance; "a few superficial editorial changes"; "only trivial objections"

involving a surface only; "her beauty is only skin-deep"; "superficial bruising"; "a surface wound"

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

Of or pertaining to the superficies, or surface; lying on the surface; shallow; not deep; as, a superficial color; a superficial covering; superficial measure or contents; superficial tillage.

Reaching or comprehending only what is obvious or apparent; not deep or profound; shallow; -- said especially in respect to study, learning, and the like; as, a superficial scholar; superficial knowledge.

Pertaining to, or being on, the surface; shallow; lacking depth of understanding; as, a superficial mind.

On the surface only.

Pertaining to or being on the surface: shallow: slight: containing only what is apparent and simple: not learned.

Pertaining to, or on, the surface; shallow; slight.

Superficiality.

Pertaining to surface; shallow; hasty; slight.

On the surface; arteries, veins, etc..

Situated on or near the surface.