Answer:
a superiority complex
Step-by-step explanation:
A superiority complex -
In the 20th century , Psychologist Alfred Adler described this word.
According to superiority complex , it is the behavior of the human being where the person thinks himself to be superior than other people .
These people think that they are the best in everything and are fulfilled with all the required knowledge and information .
The people with superiority complex usually tries to exaggerate things a lot .
Hence, from the given scenario of the question,
The correct term is a superiority complex.