On the surface, close to the surface or on the skin.
Cursory.
Not thorough.
In anatomy, situated at or near a surface; shallow. Superficial blood vessels, for example, are those close to the surface of the skin. A shallow cut is referred to as a superficial injury.
Situated at or close to a surface. Superficial blood vessels are those close to the surface of the skin.
Positioned near the surface: for example, superficial blood vessels or capillaries lie just beneath the skin, and by contracting and expanding help to regulate body temperature.
Associated with a surface. When discussing multiple layers, the uppermost layer may be termed superficial in contrast to the lowest one, which is referred to as deep; for example, the superficial fascia and the deep fascia beneath the skin.