Synonyms of the word

skin-deep

• adj. (figuratively) shallow, superficial.

shallow

• adj. Having little depth; significantly less deep than wide.
• adj. Extending not far downward.
• adj. Concerned mainly with superficial matters.
• adj. Lacking interest or substance.
• adj. Not intellectually deep; not penetrating deeply; simple; not wise or knowing.
• adj. (obsolete) Not deep in tone.
• adj. (tennis) Not far forward, close to the net.
• n. A shallow portion of an otherwise deep body of water.
• n. A fish, the rudd.
• v. To make or become less deep.

superficial

• adj. Shallow, lacking substance.
• adj. At face value.
• adj. Of or pertaining to the surface.
• adj. Being near the surface.
• adj. (rare) Two-dimensional; drawn on a flat surface.
• n. (chiefly in plural) A surface detail.

surface

• n. The overside or up-side of a flat object such as a table, or of a liquid.
• n. The outside hull of a tangible object.
• n. (figuratively) Outward or external appearance.
• n. (mathematics, geometry) The locus of an equation (especially one with exactly two degrees of freedom)…
• n. (fortification) That part of the side which is terminated by the flank prolonged, and the angle of the…
• v. (transitive) To provide something with a surface.
• v. (transitive) To apply a surface to something.
• v. (intransitive) To rise to the surface.
• v. (intransitive) To come out of hiding.
• v. (intransitive) For information or facts to become known.
• v. (intransitive) To work a mine near the surface.
• v. (intransitive) To appear or be found.