superficial
adj.adj. only on the surface or not deep. You use it to describe things that are not serious or people who do not think deeply about things.
adj. relating to the surface or exterior; lacking depth of character, thought, or understanding.
The cut was superficial and did not need stitches.
They had a superficial conversation about the weather instead of discussing their real problems.
A superficial analysis of the data might suggest a trend, but a closer look reveals that the results are actually random.
Borrowing from Late Latin superficiālis (“of or belonging to the surface”), from superficiēs (“top, surface”) + -ālis (“-al”, adjectival suffix).
Often used to describe physical injuries, personality traits, or levels of understanding.