"superficial idea" is a correct and usable phrase in written English.
You can use it to describe an opinion or idea that does not take into account the full context of a situation. For example, "His superficial idea of the law led him to make an incorrect decision."
In part, that's down to a decidedly superficial idea of heroism.
That superficial idea is laid over the standard Ocean's blueprint.
You continue to thrust this superficial idea of working hard and "you could have whatever you wanted," when that is an illusion.
At the risk of sounding like every middle-aged person since Zuckerberg began, maybe social media has led to a more superficial idea of friendships.
The Americans, scarred by their close association with policies that have failed, are shy of grandiose, superficial ideas.
But because the five Colombian artists here all work in generic international styles and tend to affirm familiar, superficial ideas about Colombian social problems (drugs, violence, poverty), the show does not do much for the cause of deeper geopolitical understanding.
Do not become caught up in superficial ideas of leadership or feel that your background does not qualify you to act.
Anyway, it's safe to say that the notion that Iraq would be brought into alignment with Israel at the point of an occupier's bayonet is one of those stunningly superficial ideas that are almost embarrassing to listen to.
At first, I didn't mind that the season was more scattershot and less compelling than "Asylum" -- maybe the payoff would come later, or maybe the show's writers were pursuing more superficial ideas and themes.
Does not brainstorming easily lead to superficial, conventional ideas or to repeating buzzwords instead of opening new paths?
The positive-thinking culture also has grave flaws, most them linked to superficial and overreaching ideas of the mind's power.
