[adjective] - on the surface onlyI thought that article was written at a very superficial level (= it only dealt with the obvious parts of its subject, not with all the parts).The documentary's treatment/analysis of the issues was very superficial (= was not detailed).The interviewer asked rather superficial questions.I only have a superficial (= slight) knowledge of French.(disapproving) A person who is superficial does not care very much or think very seriously about anything, esp. important matters.He's fun to be with, but he's very superficial.She has a certain superficial charm, but no real depth.Damage that is superficial is caused only to the surface of something.The car was completely wrecked in the accident, but the driver only received superficial injuries/cuts/wounds (= only the surface of his or her body was hurt).Superficial can also be used to describe the appearance that something has the first time you look at it, esp. when this is not what it is really like.There are superficial similarities between the two cars, but actually they're quite different.
SUPERFICIAL
Meaning of SUPERFICIAL in English
Cambridge English vocab. Кембриджский английский словарь. 2012