EGOTISM
Meaning of EGOTISM in English
e ‧ go ‧ tis ‧ m /ˈiːɡətɪz ə m, ˈeɡ-/ BrE AmE noun [uncountable]
the belief that you are much better or more important than other people
Longman Dictionary of Contemporary English.
Longman - Словарь современного английского языка.
2012