Webster's Revised Unabridged Dictionary · 1913

Superficial

Superficial , adjective

[Latin superficialis: compare French superficiel. See Superficies.]

1.
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.
2.
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.
This superficial tale Is but a preface of her worthy praise. — Shakespeare
He is a presumptuous and superficial writer. — Burke
That superficial judgment, which happens to be right without deserving to be so. — J. H. Newman