Check it out — it is a real word. It can be acceptable now as pseudointellectual or as pseudo-intellectual or even pseudo intellectual.
pseudointellectual - Wiktionary
Usage is fraught, and pseudointellectual may be used as a general term of abuse for intellectuals one dislikes or…
Is it a narcissist who belittles others to make himself feel like a bigger person, or is that a sign of an inferiority complex?